William Henry Howell

William Henry Howell (February 20, 1860 – February 6, 1945) was an American physiologist. He pioneered the use of heparin as a blood anti-coagulant.

Early life William Henry Howell was born on February 20, 1860, in Baltimore, Maryland. He graduated from the Baltimore City College high school in 1878. He was educated at Johns Hopkins University, from which he graduated in 1881 with a Bachelor of Arts. He taught at the University of Michigan and at Harvard before becoming professor at Johns Hopkins in 1893. He received a Doctor of Medicine from the University of Michigan in 1890. He graduated with a PhD from Johns Hopkins in 1894. He also studied at Trinity College and the University of Edinburgh.

Career Howell served as associate professor of physiology at Johns Hopkins in 1888 and 1889. He served as a full professor at the University of Michigan from 1889 to 1892. He then served as associate professor of physiology at Harvard Medical School from 1892 to 1893. He then moved back to Johns Hopkins and remained there for the rest of his life.

Howell served as chairman of the National Research Council from 1932 to 1933. He was buried at Druid Ridge Cemetery.