<Ul> <Li> University of Pennsylvania (AB) </Li> <Li> University of Kansas (MA, PhD) </Li> </Ul> <Li> University of Pennsylvania (AB) </Li> <Li> University of Kansas (MA, PhD) </Li> <Tr> <Th> Known for </Th> <Td> The Population Bomb </Td> </Tr>

Who asserted that high population is not a problem in the 1980s