February 15th Born 15 Feb 1856; died 7 Oct 1926 at age 70. The maximum influential German psychiatrist of his time, who advanced...

February 14th Born 14 Feb 1911; died 11 Feb 2009 at age 97. Willem Johann Colf was a Dutch-American doctor and biomedical engineer...

February 13th Born 13 Feb 1728; died 16 Oct 1793 at age 65. Scottish anatomist, health care professional and pathologist who turned into...

February 12th American paleontologist who discovered the first Tyrannosaurus rex fossil (1902) and many other types of dinosaurs. His 66-year...

February 11th Auguste-Ferdinand-François Mariette was a French archeologist who conducted major excavations throughout Egypt, revealing much about the earlier periods...

February 10th American naturalist who wrote the first botanical textbook published in the U.S. His Elements of Botany (1803) which...

July 3rd In 1952, Dr. performed the first surgery in the United States to detect a mitral valve for a...

February 9th American surgeon who was a pioneer in heart transplant surgery. He began (1967) the heart transplantation program at...

February 8th British zoologist and collector (2nd Baron Rothschild of Tring) who founded the Walter Rothschild Zoological Museum, Tring, which...

February 7th American cellular geneticist whose research (1950's - 60's) altered the prevailing view about where genetic material was within the cell....