James Pitts (chemist)
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James N. Pitts Jr. (January 10, 1921 – June 19, 2014) was an
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, p ...
chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...
and researcher known for his work in the fields of
photochemistry Photochemistry is the branch of chemistry concerned with the chemical effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet (wavelength from 100 to 400 Nanometre, nm), visible ligh ...
and
atmospheric chemistry Atmospheric chemistry is a branch of atmospheric science that studies the chemistry of the Earth's atmosphere and that of other planets. This multidisciplinary approach of research draws on environmental chemistry, physics, meteorology, comput ...
. Pitts was a pioneer in the study of
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 odour. The word was then inte ...
and
air pollution Air pollution is the presence of substances in the Atmosphere of Earth, air that are harmful to humans, other living beings or the environment. Pollutants can be Gas, gases like Ground-level ozone, ozone or nitrogen oxides or small particles li ...
, especially in
Los Angeles County Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as LA County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individua ...
. Pitts co-founded the Statewide Air Pollution Research Center at the
University of California, Riverside The University of California, Riverside (UCR or UC Riverside) is a public university, public Land-grant university, land-grant research university in Riverside, California, United States. It is one of the ten campuses of the University of Cali ...
in 1961 and served as the center's director from 1970 to 1988. He authored more than 400 scientific publications and four books on the subjects, especially smog. Pitts' research formed the basis for
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
's
air quality Air pollution is the presence of substances in the Atmosphere of Earth, air that are harmful to humans, other living beings or the environment. Pollutants can be Gas, gases like Ground-level ozone, ozone or nitrogen oxides or small particles li ...
laws. According to the chair of the Air Resources Board, Mary Nichols, "Jim Pitts was probably the single person most responsible for the understanding of what strategies we need to clean up
Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...
's air...He was able to explain all of this in English to policymakers so that they would be able to accept that it was going to take extensive and difficult actions to control
emissions Emission may refer to: Chemical products * Emission of air pollutants, notably: ** Flue gas, gas exiting to the atmosphere via a flue ** Exhaust gas, flue gas generated by fuel combustion ** Emission of greenhouse gases, which absorb and emit rad ...
." He often invited state and federal officials to his smog chamber at UC Irvine, including
Jerry Brown Edmund Gerald Brown Jr. (born April 7, 1938) is an American lawyer, author, and politician who served as the 34th and 39th governor of California from 1975 to 1983 and 2011 to 2019. A member of the Democratic Party (United States), Democratic P ...
and
Ronald Reagan Ronald Wilson Reagan (February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. He was a member of the Republican Party (United States), Republican Party a ...
, to demonstrate the effects of smog and air pollution. In a common demonstration, Pitts would fill an
Erlenmeyer flask An Erlenmeyer flask, also known as a conical flask (British English) or a titration flask, is a type of laboratory flask with a flat bottom, a conical body, and a cylindrical neck. It is named after the German chemist Emil Erlenmeyer (1825–190 ...
with
ozone Ozone () (or trioxygen) is an Inorganic compound, 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 , break ...
and then twist a slice of
lemon The lemon (''Citrus'' × ''limon'') is a species of small evergreen tree in the ''Citrus'' genus of the flowering plant family Rutaceae. A true lemon is a hybrid of the citron and the bitter orange. Its origins are uncertain, but some ...
onto the flask. The ensuing chemical reaction, which quickly produced a fog, demonstrated the formation of smog in the
atmosphere An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...
. Pitts refused funding from industry groups, which increased his center's credibility. He was the recipient of numerous awards and recognitions from the
California State Assembly The California State Assembly is the lower house of the California State Legislature (the upper house being the California State Senate). The Assembly convenes, along with the State Senate, at the California State Capitol in Sacramento, Califor ...
, the
United States Congress The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...
, the Coalition for Clean Air, the South Coast Air Quality Management District, and the California state air board. Pitts was born on January 10, 1921, in
Salt Lake City Salt Lake City, often shortened to Salt Lake or SLC, is the capital and most populous city of the U.S. state of Utah. It is the county seat of Salt Lake County, the most populous county in the state. The city is the core of the Salt Lake Ci ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
, to Esther (''
née The birth name is the name of the person given upon their birth. The term may be applied to the surname, the given name or to the entire name. Where births are required to be officially registered, the entire name entered onto a births registe ...
'' Bengtson) and James N. Pitts. The family moved to
West Los Angeles West Los Angeles is an area within the city of Los Angeles, California, United States. The residential and commercial neighborhood is divided by the Interstate 405 freeway, and each side is sometimes treated as a distinct neighborhood, mapped ...
when he was just six months old. A high school teacher sparked his interest in chemistry during his junior year. Pitts enrolled as a chemistry student at
University of California, Los Angeles The University of California, Los Angeles (UCLA) is a public university, public Land-grant university, land-grant research university in Los Angeles, California, United States. Its academic roots were established in 1881 as a normal school the ...
(UCLA) in 1939. He left during
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, joining a group of young scientists who conducted classified chemical warfare field tests. Their work led to the development of more effective gas mask for Allied forces during the war. He returned to UCLA, where he received a
bachelor's degree A bachelor's degree (from Medieval Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate degree awarded by colleges and universities upon completion of a course of study lasting three to six years ...
in
chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
in 1945 and a doctorate in 1949. Pitts initially worked as a faculty member of
Northwestern University Northwestern University (NU) is a Private university, private research university in Evanston, Illinois, United States. Established in 1851 to serve the historic Northwest Territory, it is the oldest University charter, chartered university in ...
. He was at the time married to a woman by the name of Nancy Ann Quirt. James and Nancy had three daughters Linda, Christie and Beckie. Pitts was hired as a founding professor at
UC Riverside The University of California, Riverside (UCR or UC Riverside) is a public land-grant research university in Riverside, California, United States. It is one of the ten campuses of the University of California system. The main campus sits on in ...
in 1954. Pitts married his second wife,
UC Irvine UC may refer to: Education In the United States * University of California system * University of Charleston, West Virginia * University of Chicago, Illinois * University of Cincinnati, Ohio * Upsala College, East Orange, New Jersey (''defunct ...
chemist and professor Barbara Finlayson-Pitts in 1970. He followed her to the University of California, Irvine in 1994, where the two collaborated of research and co-authored books and other publications. James Pitts died of natural causes at his home in
Irvine, California Irvine () is a Planned community, planned city in central Orange County, California, United States, in the Los Angeles metropolitan area. It was named in 1888 for the landowner James Irvine. The Irvine Company started developing the area in the ...
, on June 19, 2014, at the age of 93. He was survived by his wife, Barbara Finlayson-Pitts, and three daughters, Linda Lee, Christie Hoffman and Beckie St. George. He was also survived by five grandchildren Kristin Cohn, Brianna Hoffman, Trevin Hoffman, Mallory St George and Ryan Giordano. His great-grandchildren include Brandon, Kyle, Austin and Riley.


References

{{DEFAULTSORT:Pitts, James 1921 births 2014 deaths Scientists from Irvine, California Photochemists Atmospheric chemists American chemists University of California, Riverside faculty University of California, Irvine faculty Northwestern University faculty University of California, Los Angeles alumni