Harold Irving Pratt (1877-1939) was an American oil industrialist and philanthropist, the son of Charles Pratt and Mary Helen Richardson.
Pratt was born in 1877, the son of Charles Pratt and Mary Helen Richardson. Harold Irving Pratt (1877-1939) was an American oil industrialist and philanthropist.
Harold Irving Pratt (1877-1939) was an American oil industrialist and philanthropist. Pratt was born in 1877, the son of Charles Pratt and Mary Helen Richardson.
Harold Irving Pratt (1877-1939) was an American oil industrialist and philanthropist. Pratt was born in 1877, the son of Charles Pratt and Mary Helen Richardson.