Jon Edward Ahlquist (27 July 1944 –7 May 2020
Jon Edward Ahlquist obituary
''The Huntsville Times,'' 9–10 May 2020.) was an American molecular biologist and ornithologist
Ornithology is a branch of zoology that concerns the "methodological study and consequent knowledge of birds with all that relates to them." Several aspects of ornithology differ from related disciplines, due partly to the high visibility and th ...
who has specialized in molecular phylogenetics
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
. He has collaborated extensively with Charles Sibley, primarily at Yale University
Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the w ...
.
By 1987, both Ahlquist and Sibley had left Yale.
In 1988, Ahlquist and Sibley were awarded the Daniel Giraud Elliot Medal
The Daniel Giraud Elliot Medal is awarded by the U.S. National Academy of Sciences "for meritorious work in zoology or paleontology study published in a three- to five-year period." Named after Daniel Giraud Elliot, it was first awarded in 1917.
L ...
by the National Academy of Sciences
The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nat ...
.phylogeny
A phylogenetic tree (also phylogeny or evolutionary tree Felsenstein J. (2004). ''Inferring Phylogenies'' Sinauer Associates: Sunderland, MA.) is a branching diagram or a tree showing the evolutionary relationships among various biological s ...
for bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...
s based on DNA-DNA hybridisation techniques, known as the Sibley-Ahlquist taxonomy.
At that time, he was an associate professor
Associate professor is an academic title with two principal meanings: in the North American system and that of the ''Commonwealth system''.
Overview
In the '' North American system'', used in the United States and many other countries, it is ...
of zoology
Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, an ...
at Ohio University
Ohio University is a public research university in Athens, Ohio. The first university chartered by an Act of Congress and the first to be chartered in Ohio, the university was chartered in 1787 by the Congress of the Confederation and subse ...
. In 1999, Ahlquist was retired.[
]
See also
* Sibley–Ahlquist taxonomy
References
American ornithologists
Living people
Ohio University faculty
1944 births
{{US-ornithologist-stub