Samuel Hahnemann

John Scott Haldane

Marshall Hall

William Stewart Halsted

Alice Hamilton

Hidesaburo Hanafusa

Harriet Hardy

Haldan Keffer Hartline

William Harvey

Bernadine Healy

Henry Jay Heimlich

Hermann von Helmholtz

Philip Showalter Hench

Herophilus

Alfred Day Hershey

Walter Rudolf Hess

Corneille Jean-François Heymans

Archibald Vivian Hill

William Augustus Hinton

Hippocrates of Cos

George H. Hitchings

Alan Lloyd Hodgkin

Robert William Holley

Oliver Wendell Holmes

Frederick Gowland Hopkins

Ernst Felix Hoppe-Selyer

Victor Alexander Haden Horsley

Dorothy Millicent Horstmann

Godfrey N. Hounsfield

Bernardo A. Houssay

David H. Hubel

Charles B. Huggins

George Sumner Huntington

Andrew Fielding Huxley

Joseph Hyrtl

Louis J. Ignarro

Imhotep

François Jacob

Abraham Jacobi

Robert K. Jarvik

Robert S. Jason

Edward Jenner

Niels K. Jerne

Joseph Lealand Johnson

John B. Johnson, Jr.

Virginia E. Johnson

Carl Gustav Jung

Moriz Kaposi

Bernard Katz

William Williams Keen