Santiago Ramón y CajalSantiago Ramón y Cajal
01 May 1852
Father of Modern Neuroscience
Al-ZahrawiAl-Zahrawi
0936 AD
Physician, Surgeon

Severo OchoaSevero Ochoa
14 September 1905
Physician and Biochemist

Michael ServetusMichael Servetus
 

Juan NegrínJuan Negrín
03 February 1892
Politician

Pío BarojaPío Baroja
28 December 1872
Writer, Physician, Novelist
José Manuel Rodriguez DelgadoJosé Manuel Rodriguez Delgado
08 August 1915
Teacher, Scientist, Psychiatrist