The question considered hereâhow does population growth affect the direction. and magnitude of economic change today as world population approaches 6 billionâis. germane to a key argument invoked to defend international population assistance. programs since their inception in the early 1960s.
July 20, 1971: Ehrlichman Announces Creation of âPlumbersâ. Nixon aide John Ehrlichman reports that he has successfully created the special investigations unit ordered by the president (see Late June-July 1971). His first choice to head the unit, speechwriter Pat Buchanan, refused the position.
History of Plumber Tape â¢ 1938 â Dr. Roy Plunkett, a DuPont scientist, discovered polytetrafluoroethylene (PTFE). â¢ 1946 â DuPont registers the trademark, Teflonâ¢ for PTFE.