Frank Lappin Horsfall, Jr. (

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

, December 14, 1906 –

New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...

, February 19, 1971) was an American microbiologist specializing in pathology. He worked at the Rockefeller Institute, New York, from 1934 to 1960 and in the early 1950s ran the Virology Laboratory there. The

Tamm–Horsfall protein Uromodulin (UMOD), also known as Tamm–Horsfall protein (THP), is a Zona pellucida-like domain-containing glycoprotein that in humans is encoded by the ''UMOD'' gene. Uromodulin is the most abundant protein excreted in ordinary urine. Gene T ...

was first purified in 1952 during his work with Igor Tamm. He was elected in 1948 a member of the

United States 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 Nati ...

. He was the president of the

American Association of Immunologists The American Association of Immunologists (AAI) is an international scientific society dedicated to furthering the study of immunology. AAI provides its members with a variety of platforms in which to exchange ideas and present the latest immunolo ...

for the academic year 1967–1968. A collection of his papers is held at the National Library of Medicine.

References

* ''Who Was Who in America: with World Notables. 1969–1973'' (), Marquis Who's Who, 1973
"Frank Lappin Horsfall, Jr."
by George K. Hirst 1906 births 1971 deaths American pathologists Physicians from Seattle University of Washington alumni McGill University alumni Members of the United States National Academy of Sciences {{US-physician-stub