Who invented the “Cell phone”?

A. Alan Turing
B. Martin Cooper
C. Marie Curie
D. Alexander Graham Bell

Martin Cooper
Motorola was the first company to produce a handheld mobile phone. On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.