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.
The Rutherford model is a model of the atom devised by Ernest Rutherford. Rutherford directed the famous GeigerâMarsden experiment in 1909 which suggested, upon Rutherford's 1911 analysis, that J. J. Thomson 's so-called  plum pudding model  of the atom was incorrect.