Well, anyways, how about: John von Neumann (computer scientist and mathematician, Paul Erdös (mathematician, Nikola Tesla (inventor, mechanical engineer, invented the modern AC power systems, Leonardo da Vinci (inventor, polymath, immense inspiration in science, William Bradford Shockley, John Bardeen and Walter Houser Brattain (inventors of the transistor, thereby enabling the computer revolution Sergey Pavlovich Korolyov (rocket scientist Sir Alexander Fleming (discovered penicillin.Werner Magnus Maximillian Freiherr von Braun (rocket scientist.