Lorin John Mullins (September 23, 1917–April 14, 1993) was an American

biophysicist Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study Biology, biological phenomena. Biophysics covers all scales of biological organization, from Molecule, molecular to organismic ...

who researched the movement of ions across the cell membrane. He served as the

editor Editing is the process of selecting and preparing written, photographic, visual, audible, or cinematic material used by a person or an entity to convey a message or information. The editing process can involve correction, condensation, orga ...

of the '' Annual Review of Biophysics and Bioengineering'' for ten years.

Early life and education

Lorin John Mullins was born on September 23, 1917, in

San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...

, California. He attended the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

for a bachelor's degree in 1937 and a PhD in

physical chemistry Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mecha ...

. His PhD advisor was zoologist Sumner Cushing Brooks; he researched how the unicellular algae ''

Nitella ''Nitella'' is a genus of charophyte green algae in the family Characeae. Species The species in the genus include: *'' Nitella abyssinica'' A. Braun * '' Nitella acuminata'' A. Braun ex Wallman *'' Nitella aemula'' A. Braun * '' Nitella an ...

'' transported ions.

Career

From 1940 to 1943, he was employed under Wallace O. Fenn at the

University of Rochester The University of Rochester (U of R, UR, or U of Rochester) is a private research university in Rochester, New York. The university grants undergraduate and graduate degrees, including doctoral and professional degrees. The University of Roc ...

; they researched the permeability of

red blood cell Red blood cells (RBCs), also referred to as red cells, red blood corpuscles (in humans or other animals not having nucleus in red blood cells), haematids, erythroid cells or erythrocytes (from Greek ''erythros'' for "red" and ''kytos'' for "holl ...

s to

potassium Potassium is the chemical element with the symbol K (from Neo-Latin ''kalium'') and atomic number19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmosphe ...

and

sodium Sodium is a chemical element with the symbol Na (from Latin ''natrium'') and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable iso ...

ions. He was then part of the

United States Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...

during World War II, spending time in the US training pilots in the operation of

Boeing B-17 Flying Fortress The Boeing B-17 Flying Fortress is a four-engined heavy bomber developed in the 1930s for the United States Army Air Corps (USAAC). Relatively fast and high-flying for a bomber of its era, the B-17 was used primarily in the European Theater ...

es, though also flying some combat missions in Europe. He also researched the effect of high altitudes on pilots. Following the war, he had a series of brief jobs and research fellowships in Europe,

Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hem ...

, with George de Hevesy at the

Niels Bohr Institute The Niels Bohr Institute (Danish: ''Niels Bohr Institutet'') is a research institute of the University of Copenhagen. The research of the institute spans astronomy, geophysics, nanotechnology, particle physics, quantum mechanics and biophysics. ...

Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

, and the

Stazione Zoologica Anton Dohrn The Stazione Zoologica Anton Dohrn is a research institute in Naples, Italy, devoted to basic research in biology. Research is largely interdisciplinary involving the fields of evolution, biochemistry, molecular biology, neurobiology, cell biol ...

Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...

. He joined the faculty of

Purdue University Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and money ...

in 1950. A majority of his research focused on the movement of ions across the cell membrane. In 1959 he joined the

University of Maryland The University of Maryland, College Park (University of Maryland, UMD, or simply Maryland) is a public land-grant research university in College Park, Maryland. Founded in 1856, UMD is the flagship institution of the University System of M ...

as chair of its biophysics department. He joined the

Bermuda Institute of Ocean Sciences The Bermuda Institute of Ocean Sciences (known as BIOS) is an independent, non-profit marine science and education institute located in Ferry Reach, St. George's, Bermuda, St. George's, Bermuda. The institute, founded in 1903 as the Bermuda Bio ...

in 1951 and the Marine Biological Laboratory in 1956, where he worked until 1977. He was on the board of the

National Institute of Neurological Disorders and Stroke The National Institute of Neurological Disorders and Stroke (NINDS) is a part of the U.S. National Institutes of Health (NIH). It conducts and funds research on brain and nervous system disorders and has a budget of just over US$2.03 billion. The ...

, part of the

National Institutes of Health The National Institutes of Health, commonly referred to as NIH (with each letter pronounced individually), is the primary agency of the United States government responsible for biomedical and public health research. It was founded in the late ...

, from 1969 to 1973. From 1973–1983 he was the

of the '' Annual Review of Biophysics and Bioengineering''. He retired from the

University of Maryland School of Medicine The University of Maryland School of Medicine (abbreviated UMSOM), located in Baltimore City, Maryland, U.S., is the medical school of the University of Maryland, Baltimore and is affiliated with the University of Maryland Medical Center and Me ...

in 1988, at which point he became a professor

emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

Personal life and death

He was married to Rowena ; the couple had two children together. He died on April 14, 1993, from cancer at the age of 76 in

Chestertown, Maryland Chestertown is a town in Kent County, Maryland, United States. The population was 5,252 as of the 2010 census. It is the county seat of Kent County. History Founded in 1706, Chestertown rose in stature when it was named one of the English col ...

References

{{DEFAULTSORT:Mullins, Lorin J 1917 births 1993 deaths American biophysicists University of California, Berkeley alumni People from San Francisco United States Army personnel of World War II Purdue University faculty University System of Maryland faculty Annual Reviews (publisher) editors