Arie Jan Haagen-Smit (December 22, 1900 – March 17, 1977) was a Dutch

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

. He is best known for linking the

smog Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words '' smoke'' and ''fog'' to refer to smoky fog due to its opacity, and odor. The word was then int ...

Southern California Southern California (commonly shortened to SoCal) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban ...

to automobiles and is therefore known by many as the "father" of air pollution control. After serving as an original board member of the Motor Vehicle Pollution Control Board, formed in 1960 to combat the smog, Dr. Haagen-Smit became the

California Air Resources Board The California Air Resources Board (CARB or ARB) is the "clean air agency" of the government of California. Established in 1967 when then-governor Ronald Reagan signed the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Moto ...

's first chairman in 1968. Shortly before his death in

Pasadena, California Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. ...

lung cancer Lung cancer, also known as lung carcinoma (since about 98–99% of all lung cancers are carcinomas), is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung. Lung carcinomas derive from transformed, mali ...

, the Air Resources Board's El Monte Laboratory was named after him.

Education

Haagen-Smit was born December 22, 1900 in the

Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...

city of

Utrecht Utrecht ( , , ) is the fourth-largest city and a municipality of the Netherlands, capital and most populous city of the province of Utrecht. It is located in the eastern corner of the Randstad conurbation, in the very centre of mainland Net ...

. His father worked as a chemist at the Dutch mint. Haagen-Smit attended the ''Rijks Hogere Burgerschool'' in Utrecht. He graduated from the

University of Utrecht Utrecht University (UU; nl, Universiteit Utrecht, formerly ''Rijksuniversiteit Utrecht'') is a public research university in Utrecht, Netherlands. Established , it is one of the oldest universities in the Netherlands. In 2018, it had an enrollme ...

in 1922 with a major in

organic chemistry Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.Clayden, J ...

and a minor in mathematics. He earned his M.A. degree in 1926 and Ph.D. in 1929. His work was on

terpenes Terpenes () are a class of natural products consisting of compounds with the formula (C5H8)n for n > 1. Comprising more than 30,000 compounds, these unsaturated hydrocarbons are produced predominantly by plants, particularly conifers. Terpenes ar ...

, a

hydrocarbon In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colourless and hydrophobic, and their odors are usually weak or ...

found in plants. His dissertation is titled "Investigations in the Field of Sesquiterpenes".

Academic career

He stayed at the University of Utrecht from 1929 to 1935 as chief assistant. He became an expert in plant derived chemicals, particularly

Auxins Auxins (plural of auxin ) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essenti ...

, a

hormone A hormone (from the Greek participle , "setting in motion") is a class of signaling molecules in multicellular organisms that are sent to distant organs by complex biological processes to regulate physiology and behavior. Hormones are required ...

. He was invited to lecture at

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of highe ...

in 1936 by Kenneth Thimann. He was appointed as associate professor by

California Institute of Technology The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...

in 1937 by

Thomas Hunt Morgan Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that ...

, and

professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professo ...

in 1940, becoming one of the "Dutch Mafia" at Caltech. (Another member of the "mafia" was

Frits Warmolt Went Frits Warmolt Went (May 18, 1903 – May 1, 1990) was a Dutch biologist whose 1928 experiment demonstrated the existence of auxin in plants. Went's father was the prominent Dutch botanist F.A.F.C. Went. After graduating from the University of ...

.) Haagen-Smit studied the flavor of

pineapple The pineapple (''Ananas comosus'') is a tropical plant with an edible fruit; it is the most economically significant plant in the family Bromeliaceae. The pineapple is indigenous to South America, where it has been cultivated for many centuri ...

s. He published a paper jointly with two other scientists on traumatic acid, a wound healing hormone, in ''

Science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence ...

'' in 1939. He was the director of the Plant Environmental Laboratory at the California Institute of Technology from 1965 to 1971.

Air pollution fighter

He started his air pollution research in 1948, when Southern California residents suffered stinging eyes and respiratory irritation from

.Pitts NJ Jr., Stephens ER
"Arie Jan Haagen-Smit, 1900-1977"
J Air Poll Control Assn 1978: 516-517. His original interest stemmed from damage to crop plants smog was causing in the Los Angeles Basin, and he had received many requests from government agencies to investigate air pollution. Using techniques originally developed in his work on the biosynthesis of essential oils, Haagen-Smit showed that smog primarily resulted from a photochemical reaction of the unburned hydrocarbons,

ozone Ozone (), or trioxygen, is an inorganic molecule with the chemical formula . It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope , breaking down in the l ...

, and

nitrogen oxides Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds: Charge-neutral *Nitric oxide (NO), nitrogen(II) oxide, or nitrogen monoxide *Nitrogen dioxide (), nitrogen(IV) oxide * Nitrogen trioxide (), or ...

from automobile exhaust and industrial fuel combustion.''A. J. Haagen-Smit''.
World of Chemistry, Gale, 2006. Biography in Context. Accessed 7 Mar. 2017.Haagen-Smit, A.J. 1952
Chemistry and physiology of Los Angeles smog
Industrial and Engineering Chemistry Research 44:1342-1346. After a representative of the

Stanford Research Institute SRI International (SRI) is an American nonprofit scientific research institute and organization headquartered in Menlo Park, California. The trustees of Stanford University established SRI in 1946 as a center of innovation to support economic ...

(which was funded by the oil industry) went to Caltech and attempted to discredit Haagen-Smit's findings, Haagen-Smit increased his research efforts. By the mid 1950s, the connection between automobiles and smog in

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world ...

became widely accepted in scientific circles. Haagen-Smit worked with

Arnold Beckman Arnold Orville Beckman (April 10, 1900 – May 18, 2004) was an American chemist, inventor, investor, and philanthropist. While a professor at California Institute of Technology, he founded Beckman Instruments based on his 1934 invention of th ...

, who developed various equipment for monitoring smog. Haagen-Smit's research led the automobile industry to install positive crankcase ventilation, the first

vehicle emissions control Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. Types of emissions Emissions of many air pollutants have been shown to have variety of negative effects on public ...

system, in 1961. In 1968 Haagen-Smit was appointed the first Chairman of the

Ronald Reagan Ronald Wilson Reagan ( ; February 6, 1911June 5, 2004) was an American politician, actor, and union leader who served as the 40th president of the United States from 1981 to 1989. He also served as the 33rd governor of California from 1967 ...

, California's Governor at the time.

Honors

* 1947 – Knight Order of Orange-Nassau of the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

* 1950 – Fritizche Award of

American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...

* 1964 – Tolman Award of American Chemical Society – * 1969 - Hodgkins Medal of the

Smithsonian Institution The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums and education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge". Found ...

* 1973 –

National Medal of Science The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral and social scienc ...

Physical Sciences of the

United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...

* 1974 –

Tyler Prize for Environmental Achievement The Tyler Prize for Environmental Achievement is an annual award for environmental science, environmental health, and energy. Tyler Laureates receive a $200,000 cash prize and a medallion. The prize is administered by the University of Southern Cal ...

* 1974 –

Elliott Cresson Medal The Elliott Cresson Medal, also known as the Elliott Cresson Gold Medal, was the highest award given by the Franklin Institute. The award was established by Elliott Cresson, life member of the Franklin Institute, with $1,000 granted in 1848. The ...

* He was also the recipient of the Rhineland Award. * He was a Fellow of the

New York Academy of Sciences The New York Academy of Sciences (originally the Lyceum of Natural History) was founded in January 1817 as the Lyceum of Natural History. It is the fourth oldest scientific society in the United States. An independent, nonprofit organization wi ...

and the Royal Academy of Sciences of the Netherlands. * Trustee of the American Chemical Society. * 1977 – On January 7 the existing California Air Resources Board Laboratory in

El Monte, California } El Monte ( Spanish for "The Mountain") is a city in Los Angeles County, California, United States. The city lies in the San Gabriel Valley, east of the city of Los Angeles. El Monte's slogan is "Welcome to Friendly El Monte" and is historica ...

was dedicated to Dr. Haagen-Smit. It is called the "Haagen-Smit Laboratory."

Family

In 1930, he married Petronella Francina Pennings. They had a son, Jan Willem Adrianus, who was born only three months before Petronella died in 1933. On June 10, 1935, he married Maria "Zus" Wilhelmina Bloemers, a graduate student of

botany Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek w ...

in the University of Utrecht. They had three daughters: Maria van Pelt, Maria Daniel, and Joanne Demers.

References

External links

* * {{DEFAULTSORT:Haagen-Smit, Arie Jan 1900 births 1977 deaths 20th-century Dutch chemists Dutch emigrants to the United States Utrecht University alumni California Institute of Technology faculty Scientists from Utrecht (city) National Medal of Science laureates Members of the United States National Academy of Sciences