Designed and developed electronic filters

Invented mathematical bioeconomics

Greatest classical geometer of the 20th century

Established the Fields medal, the "Nobel Prize" of mathematics.

Created the Java programming language

Invented the APL computer programming language

Wrote "The C Programming Language" with Dennis Ritchie.

Developed mathematical theories of group representations and number theory

Developed early theories of computer vision and artificial intelligence

Research on computer vision

Discoverer of Tutte’s Theorem