Simplify the following text for a Grade 6 native English-speaking person.
Original: Victor Hammer ( 1901 in New York City - July 21 , 1985 ) , was a businessman , founder and owner of the famed Hammer Galleries in New York City , and the younger brother of Armand Hammer .
Simplified: Victor Hammer ( b. 1901 in New York City , d. July 21 , 1985 ) , was a businessman , founder and owner of the famed Hammer Galleries in New York City , and the younger brother of Armand Hammer .