- Gould, Stephen Jay Gould - United States paleontologist and popularizer of science (1941-2002)
--1 is a kind of paleontologist, palaeontologist, fossilist
- Gould, Jay Gould - United States financier who gained control of the Erie Canal and who caused a financial panic in 1869 when he attempted to corner the gold market (1836-1892)
--2 is a kind of financier, moneyman