Alexander Graham Bell
(March 3, 1847 - August 2, 1922)
was a teacher, scientist, and inventor. He was the founder of the Bell Telephone Company .
Andrei (Dmitrievich) Sakharov
An outstanding scientist and public figure,
was born on the 21st of May, 1921 into the family of teachers.
Sakharov is often called the father of the Soviet hydrogen bomb, but he became more known as a champion for human rights and freedom. For this work the Nobel Committee awarded him the Peace Prize in 1975.
Andrei Sakharov died in 1989.
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