Definitions of Anderson:

• noun:   United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991)
• noun:   United States contralto noted for her performance of spirituals (1902-1993)
• noun:   United States dramatist (1888-1959)
• noun:   United States physicist who studied the electronic structure of magnetic and disordered systems (1923-)
• noun:   United States author whose works were frequently autobiographical (1876-1941)
• name:  A surname (very common: 1 in 321 families; popularity rank in the U.S.: #11)
• name:  A male given name (rare: 1 in 14285 males; popularity rank in the U.S.: #814)