Solomon Halbert Snyder (born December 26, 1938) is an American

neuroscientist A neuroscientist (or neurobiologist) is a scientist specializing in neuroscience that deals with the anatomy and function of neurons, Biological neural network, neural circuits, and glia, and their Behavior, behavioral, biological, and psycholo ...

who has made wide-ranging contributions to neuropharmacology and

neurochemistry Neurochemistry is the study of chemicals, including neurotransmitters and other molecules such as psychopharmaceuticals and neuropeptides, that control and influence the physiology of the nervous system. This particular field within neuroscience e ...

. He studied at

Georgetown University Georgetown University is a private university, private Jesuit research university in Washington, D.C., United States. Founded by Bishop John Carroll (archbishop of Baltimore), John Carroll in 1789, it is the oldest Catholic higher education, Ca ...

, and has conducted the majority of his research at the

Johns Hopkins School of Medicine The Johns Hopkins University School of Medicine (JHUSOM) is the medical school of Johns Hopkins University, a private research university in Baltimore, Maryland. Established in 1893 following the construction of the Johns Hopkins Hospital, th ...

. Many advances in

molecular neuroscience Molecular neuroscience is a branch of neuroscience that observes concepts in molecular biology applied to the nervous systems of animals. The scope of this subject covers topics such as molecular neuroanatomy, mechanisms of molecular signaling in ...

have stemmed from Snyder's identification of

receptors Receptor may refer to: *Sensory receptor, in physiology, any neurite structure that, on receiving environmental stimuli, produces an informative nerve impulse *Receptor (biochemistry), in biochemistry, a protein molecule that receives and responds ...

for

neurotransmitter A neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a Chemical synapse, synapse. The cell receiving the signal, or target cell, may be another neuron, but could also be a gland or muscle cell. Neurotra ...

s and drugs, and elucidation of the actions of psychotropic agents. He received the

Albert Lasker Award for Basic Medical Research The Albert Lasker Award for Basic Medical Research is one of the Lasker Award, prizes awarded by the Lasker Foundation for a fundamental discovery that opens up a new area of biomedical science. The award frequently precedes a Nobel Prize in Phys ...

in 1978 for his research on the

opioid receptor Opioid receptors are a group of inhibitory G protein-coupled receptors with opioids as ligands. The endogenous opioids are dynorphins, enkephalins, endorphins, endomorphins and nociceptin. The opioid receptors are ~40% identical to somatostati ...

, and is one of the most highly cited researchers in the biological and biomedical sciences, with the highest ''h''-index in those fields for the years 1983–2002, and then from 2007 to 2019.

Biography

Personal life

Solomon Snyder was born on December 26, 1938, in

Washington D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...

He is one of five children. Snyder and his wife Elaine, who died in 2016, have two daughters and three grandchildren. He lives in

Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...

Education and early career

Snyder attended

from 1955 to 1958 and received his M.D. degree from Georgetown University School of Medicine in 1962. After a

medical residency Residency or postgraduate training is a stage of graduate medical education. It refers to a qualified physician (one who holds the degree of MD, DO, MBBS/MBChB), veterinarian ( DVM/VMD, BVSc/BVMS), dentist ( DDS or DMD), podiatrist ( DPM), o ...

at the Kaiser Hospital in San Francisco, he served as a research associate from 1963 to 1965 at the

National Institutes of Health The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research. It was founded in 1887 and is part of the United States Department of Health and Human Service ...

, where he studied under Julius Axelrod. Snyder moved to the

Johns Hopkins University School of Medicine The Johns Hopkins University School of Medicine (JHUSOM) is the medical school of Johns Hopkins University, a Private university, private research university in Baltimore, Maryland. Established in 1893 following the construction of the Johns Ho ...

to complete his residency in

psychiatry Psychiatry is the medical specialty devoted to the diagnosis, treatment, and prevention of deleterious mental disorder, mental conditions. These include matters related to cognition, perceptions, Mood (psychology), mood, emotion, and behavior. ...

from 1965 to 1968. He was appointed to the faculty there in 1966 as Assistant

Professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other tertiary education, post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin ...

of Pharmacology. In 1968 he was promoted to associate professor of Pharmacology and Psychiatry and in 1970 to full professor in both departments. His laboratory is noted for the use of receptor binding studies to characterize the actions of neurotransmitters and

psychoactive drug A psychoactive drug, psychopharmaceutical, mind-altering drug, consciousness-altering drug, psychoactive substance, or psychotropic substance is a chemical substance that alters psychological functioning by modulating central nervous system acti ...

s. He is also known for his work identifying

for the major neurotransmitters in the

brain The brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for ...

, and in the process explaining the actions of psychoactive drugs, such as the blockade of dopamine receptors by

antipsychotic Antipsychotics, previously known as neuroleptics and major tranquilizers, are a class of Psychiatric medication, psychotropic medication primarily used to manage psychosis (including delusions, hallucinations, paranoia or disordered thought), p ...

medications. He has described novel neurotransmitters, such as the gases

nitric oxide Nitric oxide (nitrogen oxide, nitrogen monooxide, or nitrogen monoxide) is a colorless gas with the formula . It is one of the principal oxides of nitrogen. Nitric oxide is a free radical: it has an unpaired electron, which is sometimes den ...

and

carbon monoxide Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the si ...

and the D-isomers of

amino acids Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although over 500 amino acids exist in nature, by far the most important are the Proteinogenic amino acid, 22 α-amino acids incorporated into p ...

, including D-serine.

Later career

Snyder was University Distinguished Service Professor of

Neuroscience Neuroscience is the scientific study of the nervous system (the brain, spinal cord, and peripheral nervous system), its functions, and its disorders. It is a multidisciplinary science that combines physiology, anatomy, molecular biology, ...

Pharmacology Pharmacology is the science of drugs and medications, including a substance's origin, composition, pharmacokinetics, pharmacodynamics, therapeutic use, and toxicology. More specifically, it is the study of the interactions that occur betwee ...

, and

Psychiatry Psychiatry is the medical specialty devoted to the diagnosis, treatment, and prevention of deleterious mental disorder, mental conditions. These include matters related to cognition, perceptions, Mood (psychology), mood, emotion, and behavior. ...

at the Johns Hopkins University School of Medicine. In 1980, he founded the Department of Neuroscience, and served as its first director from 1980 to 2006. In 2006, the department was renamed as The Solomon H. Snyder Department of Neuroscience in his honor. Snyder retired from Johns Hopkins in December 2022. Snyder is also the Director of Drug Discovery at the Lieber Institute for Brain Development in Baltimore, MD. In 1980, he served as the president of the

Society for Neuroscience The Society for Neuroscience (SfN) is a professional society, headquartered in Washington, D.C., for basic scientists and physicians around the world whose research is focused on the study of the brain and nervous system. It is especially well k ...

. He is also associate editor, ''

Proceedings of the National Academy of Sciences of the United States of America ''Proceedings of the National Academy of Sciences of the United States of America'' (often abbreviated ''PNAS'' or ''PNAS USA'') is a peer-reviewed multidisciplinary scientific journal. It is the official journal of the National Academy of Scie ...

''. He helped start the companies Nova Pharmaceuticals and Guilford Pharmaceuticals, and has been an active philanthropist. He is listed by the

Institute for Scientific Information The Institute for Scientific Information (ISI) was an academic publishing service, founded by Eugene Garfield in Philadelphia in 1956. ISI offered scientometric and bibliographic database services. Its specialty was citation indexing and analysis, ...

as one of the 10 most-often cited

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

s and he also has the highest ''h''-index of any living biologist.

Awards

(1978): In 1973, he co-discovered the

and later identified the existence of normally occurring opiate-like peptides in the brain. *

Wolf Prize The Wolf Prize is an international award granted in Israel, that has been presented most years since 1978 to living scientists and artists for "achievements in the interest of mankind and friendly relations among people ... irrespective of natio ...

(from the President of

Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...

) (1983) * Golden Plate Award of the

American Academy of Achievement The American Academy of Achievement, colloquially known as the Academy of Achievement, is a nonprofit educational organization that recognizes some of the highest-achieving people in diverse fields and gives them the opportunity to meet one ano ...

(1986) * Bower Award of the

Franklin Institute The Franklin Institute is a science museum and a center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and wikt:statesman, statesman Benjamin Franklin. It houses the Benjamin Franklin ...

(1992) *

National Medal of Science The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral science, behavior ...

(2003) *

Perl-UNC Prize The Perl-UNC Prize is awarded internationally in the field of neuroscience. Its purpose is two-fold: to recognize researchers for outstanding discoveries and seminal insights in neuroscience and to celebrate the strength of the neuroscience resea ...

(2006) * Albany Medical Center Prize in Medicine and Biomedical Research (2007) * NAS Award in the Neurosciences (2013) * He is the recipient of nine honorary doctorates and has been elected to honorific societies including the US National Academy of Sciences, 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 ...

, and the

American Philosophical Society The American Philosophical Society (APS) is an American scholarly organization and learned society founded in 1743 in Philadelphia that promotes knowledge in the humanities and natural sciences through research, professional meetings, publicat ...

Biography

Personal life

Education and early career

Later career

Awards

References

Further reading