Raymond Carl Jackson
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Raymond Carl Jackson (May 7, 1928,
Medora, Indiana Medora is a town in Carr Township, Jackson County, Indiana, United States. The population was 693 at the 2010 census. History Medora was laid out in 1853 by West Lee Wright in the southeast corner of a square mile of land which he owned. Wrig ...
– April 7, 2008,
Lubbock, Texas Lubbock ( ) is a city in the U.S. state of Texas and the county seat of Lubbock County. With a population of 272,086 in 2024, Lubbock is the 10th-most populous city in Texas and the 84th-most populous in the United States. The city is in the ...
) was an American botanist, known as Ray Jackson, noted "for his work in
cytogenetics Cytogenetics is essentially a branch of genetics, but is also a part of cell biology/cytology (a subdivision of human anatomy), that is concerned with how the chromosomes relate to cell behaviour, particularly to their behaviour during mitosis an ...
, particularly on
polyploidy Polyploidy is a condition in which the cells of an organism have more than two paired sets of ( homologous) chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two complete sets of chromosomes, one fro ...
, and for his discovery of low chromosome numbers in
angiosperm Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed within a fruit ...
s."


Biography

After three years of service in the U.S. Army Air Forces/U.S. Air Force, Jackson matriculated in 1949 at
Indiana University Indiana University (IU) is a state university system, system of Public university, public universities in the U.S. state of Indiana. The system has two core campuses, five regional campuses, and two regional centers under the administration o ...
, where he graduated with bachelor's degree in 1952 and master's degree in 1953. In 1953, he became a graduate student at
Purdue University Purdue University is a Public university#United States, public Land-grant university, land-grant research university in West Lafayette, Indiana, United States, and the flagship campus of the Purdue University system. The university was founded ...
, where he graduated in 1955 with Ph.D. in botany. From 1955 to 1958, he was a faculty member and herbarium curator at the
University of New Mexico The University of New Mexico (UNM; ) is a public research university in Albuquerque, New Mexico, United States. Founded in 1889 by the New Mexico Territorial Legislature, it is the state's second oldest university, a flagship university in th ...
. In New Mexico he studied the dessert annual ''Xanthisma gracile'' (synonym ''Haplopappus gracilis'') and found that it has "n=2 chromosomes, the lowest number ever reported for a plant." From 1958 to 1971, he was a professor of botany at the
University of Kansas The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States. Two branch campuses are in the Kansas City metropolitan area on the Kansas side: the university's medical school and hospital ...
, where in 1969 he was appointed chair of the botany department. There he was also the chair of the interdepartmental Ph.D. program in genetics. In 1971, Jackson become the chair of the department of biological sciences at Texas Tech University. There he resigned as chair in 1978, was appointed Paul Whitfield Horn Professor in 1980, became professor emeritus in 1997, and continued his research as Horn Professor Emeritus until he died in 2008. Jackson collected plants in the United States and Mexico. He began his Mexican collections in 1957 and continued through the 1970s. In the 1970s, he became a leading expert in cytogenetics and plant
biosystematics Systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees (synonyms: phylogenetic trees, phylogenies). Phyl ...
. In 1947, in
Brownstown, Indiana Brownstown is a town within Brownstown Township, Jackson County, Indiana, Brownstown Township and the county seat of Jackson County, Indiana, United States. The population was 2,947 at the 2010 United States Census, 2010 census. It was named for ...
, he married Thelma June Snyder (b. 1929); they had a son and a daughter.


Eponyms

* (
Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...
) '' Rayjacksonia'' (genus with at least 3 species)


Selected publications

* * * * * * * * * * * * * * * * (See
colchicine Colchicine is a medication used to prevent and treat gout, to treat familial Mediterranean fever and Behçet's disease, and to reduce the risk of myocardial infarction. The American College of Rheumatology recommends colchicine, nonstero ...
.) * * * * * * *


References


External links

* {{DEFAULTSORT:Jackson, Raymond Carl 1928 births 2008 deaths 20th-century American botanists 21st-century American botanists Plant geneticists Indiana University alumni Purdue University alumni University of New Mexico faculty University of Kansas faculty Texas Tech University faculty People from Jackson County, Indiana United States Air Force airmen