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Carolyn Cohen (June 18, 1929 – December 20, 2017) was an American biologist and biophysicist. She was a Fellow of the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...
.


Early life and education

Carolyn Cohen was born June 18, 1929, to parents Anna and Philip Cohen. After Cohen's father died in 1939, she credited his lawyer Samuel Sumner Goldberg for mentoring her and nurturing her curiosity. Cohen attended Joan of Arc Junior High School, then the selective
Hunter College High School Hunter College High School is a public academic magnet secondary school located in the Carnegie Hill section of the Upper East Side of Manhattan. It is administered and funded by Hunter College of the City University of New York (CUNY) and no t ...
. After rejections from
McGill University McGill University (French: Université McGill) is an English-language public research university in Montreal, Quebec, Canada. Founded in 1821 by royal charter,Frost, Stanley Brice. ''McGill University, Vol. I. For the Advancement of Learning, ...
and
Barnard College Barnard College is a Private college, private Women's colleges in the United States, women's Liberal arts colleges in the United States, liberal arts college affiliated with Columbia University in New York City. It was founded in 1889 by a grou ...
, Cohen's French teacher urged her to apply to
Bryn Mawr College Bryn Mawr College ( ; Welsh language, Welsh: ) is a Private college, private Women's colleges in the United States, women's Liberal arts colleges in the United States, liberal arts college in Bryn Mawr, Pennsylvania, United States. Founded as a ...
, where she was accepted with a full-tuition scholarship. In the summer of 1949, Cohen took a job in the kitchen of the
Marine Biological Laboratory The Marine Biological Laboratory (MBL) is an international center for research and education in biological and environmental science. Founded in Woods Hole, Massachusetts, in 1888, the MBL is a private, nonprofit institution that was independent ...
at Woods Hole, MA. There she met
Shinya Inoué was a Japanese American biophysicist and cell biologist, a member of the National Academy of Sciences. His research field was visualizing dynamic processes within living cells using light microscopy. Early life and education Inoué was born in L ...
, worked for
Otto Schmitt Otto Herbert Schmitt (April 6, 1913 – January 6, 1998) was an American inventor, engineer, and biophysicist known for his scientific contributions to biophysics and for establishing the field of biomedical engineering. Schmitt also coined ...
, and attended a lecture by
Dorothy Wrinch Dorothy Maud Wrinch (12 September 1894 – 11 February 1976; married names Nicholson, Glaser) was a mathematician and biochemical theorist best known for her attempt to deduce protein structure using mathematical principles. She was a champion o ...
that she later credited with stimulating her career interest in
protein structure Protein structure is the three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins are polymers specifically polypeptides formed from sequences of amino acids, which are the monomers of the polymer. A single amino acid ...
s. Cohen completed her Bachelor of Arts in Biology and Physics from Bryn Mawr in 1950, graduating summa cum laude. She then moved to
Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...
, for a PhD under the supervision of Richard S. Bear. There she worked on the structure of
collagen Collagen () is the main structural protein in the extracellular matrix of the connective tissues of many animals. It is the most abundant protein in mammals, making up 25% to 35% of protein content. Amino acids are bound together to form a trip ...
and other helically structured proteins, completing her degree in 1954. While at MIT, Cohen met then-visiting researcher Jean Hanson, who was working on the structure of muscle fibers. After graduation Cohen took a
postdoctoral researcher A postdoctoral fellow, postdoctoral researcher, or simply postdoc, is a person professionally conducting research after the completion of their doctoral studies (typically a PhD). Postdocs most commonly, but not always, have a temporary acade ...
position in Hanson's laboratory at
King's College London King's College London (informally King's or KCL) is a public university, public research university in London, England. King's was established by royal charter in 1829 under the patronage of George IV of the United Kingdom, King George IV ...
, working on the
X-ray crystallography X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to Diffraction, diffract in specific directions. By measuring th ...
structure of
actin Actin is a family of globular multi-functional proteins that form microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils. It is found in essentially all eukaryotic cells, where it may be present at a concentration of ...
filaments. After nine months, Cohen returned to MIT working first in Bear's lab, then with Andrew Szent-Györgyi on the structure of fibrous proteins. She enrolled in medical school at
Boston University Boston University (BU) is a Private university, private research university in Boston, Massachusetts, United States. BU was founded in 1839 by a group of Boston Methodism, Methodists with its original campus in Newbury (town), Vermont, Newbur ...
, but left after less than a month, returning to full-time research at MIT. In 1957, she began what would become a long collaboration with
Donald Caspar Donald L. D. Caspar (January 8, 1927 – November 27, 2021) was an American structural biologist (the very term he coined) known for his works on the structures of biological molecules, particularly of the tobacco mosaic virus. He was an emeritu ...
, investigating the structure of
tropomyosin Tropomyosin is a two-stranded alpha-helical, coiled coil protein found in many animal and fungal cells. In animals, it is an important component of the muscular system which works in conjunction with troponin to regulate muscle contraction. It ...
.


Academic career

In 1958, Cohen started her own laboratory, co-led by Caspar, at the Children's Cancer Research Foundation (now the
Dana–Farber Cancer Institute Dana–Farber Cancer Institute (DFCI) is a comprehensive cancer treatment and research center in Boston, Massachusetts. Dana-Farber is the founding member of the Dana-Farber/Harvard Cancer Center, Harvard's Comprehensive Cancer Center designated ...
). There she worked primarily on the structure of myosin. With postdoctoral fellow Susan Lowey, Cohen predicted a model for the myosin structure with an
alpha-helical An alpha helix (or α-helix) is a sequence of amino acids in a protein that are twisted into a coil (a helix). The alpha helix is the most common structural arrangement in the secondary structure of proteins. It is also the most extreme type of l ...
core bookended by globular masses. Studying the catch muscle in
molluscs Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
, Cohen and
Kenneth Holmes Kenneth Charles Holmes FRS (19 November 1934 – 2 November 2021) was a British molecular biologist and a pioneer in using synchrotron X-ray radiation to study biology. Education and career Holmes was born on 19 November 1934 in Hammersmith, ...
(then a postdoctoral researcher with Caspar) demonstrated the presence of alpha-helical
coiled coil A coiled coil is a structural motif in proteins in which two to seven alpha-helices are coiled together like the strands of a rope. ( Dimers and trimers are the most common types.) They have been found in roughly 5-10% of proteins and have a ...
filaments, published in 1963. A few years later in 1967, Lowey and Henry S. Slater confirmed the predicted globular heads by
electron microscopy An electron microscope is a microscope that uses a beam of electrons as a source of illumination. It uses electron optics that are analogous to the glass lenses of an optical light microscope to control the electron beam, for instance focusing i ...
. From 1969 to 1972, Cohen and Caspar published a series of papers describing the structure of tropomyosin – the first protein structure determined by electron microscopy. In 1972, Cohen, Caspar, and Lowe – together called the "Structural Biology Laboratory" – moved their laboratory to become the first research group at
Brandeis University Brandeis University () is a Private university, private research university in Waltham, Massachusetts, United States. It is located within the Greater Boston area. Founded in 1948 as a nonsectarian, non-sectarian, coeducational university, Bra ...
's Rosenstiel Basic Medical Sciences Research Center. In fact, Cohen was the first tenured woman in Biology at Brandeis University. Cohen retired from Brandeis in 2012. In honor of her work surrounding protein structures, in 2022 the Biophysical Society Innovation Award was renamed to the Carolyn Cohen Award for Biophysical Innovation. It has since been presented every year at the BPS Annual Meeting in February.


Awards and honors

* Fellow,
American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...
* Member,
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, 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 ...
* 2000, Biophysical Society Founder's Award for her accomplishments in
Biophysics Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study biological phenomena. Biophysics covers all scales of biological organization, from molecular to organismic and populations ...


References


External links


In case you missed it
ASBMB Journal News, by Karen Muindi

S&T, By Jennifer Fisher Wilson {{DEFAULTSORT:Cohen, Carolyn 1929 births 2017 deaths American women biologists Massachusetts Institute of Technology alumni Members of the United States National Academy of Sciences Brandeis University faculty Fellows of the American Academy of Arts and Sciences