Person 1:
Born on January 4, 1643
Known for his work in mathematics and physics, especially his laws of motion and universal gravitation
Person 2:
Born on March 14, 1879
Known for his theory of relativity and his equation E=mc²
Using Both:
Both individuals made significant contributions to the field of physics.
Using Neither:
Neither person was born in the 20th century.
Using Either:
Either person is considered one of the greatest scientists of all time.