Limits to Growth was a 1972 book modeling the consequences of a rapidly growing global population, commissioned by the Club of Rome. Donella Meadows was its leader author.
... explorer
Alexandra David-Néel, (1868-1969), French explorer, visited Lhasa, Tibet in 1924
Cavalier de la Salle[?], explorer
Hernando de Soto, (died 1542), ...