Johns Hopkins University

Dan Nathans invents gene splicing using restriction enzymes

Hamilton Smith invents gene splicing using restriction enzymes

John Gearhart Isolates human stem cells

Landed a satellite (NEAR) on an asteroid (Eros)

Al Sommer shows that Vitamin A supplements can save millions of lives

Robert Fischell invented the first implantable rechargeable pacemaker

Invented CPR

Developed parallel processing technology

Conceived and developed transit satellites for ground positioning systems