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.
Electrons were chunks of plum distributed through a positively charged sphere of pudding. In 1911, Ernest Rutherford performed an experiment to test the plum pudding model. He fired energetic a [He 2+ ] particles at a foil, and measured the deflection of the particles as they came out the other side. From this he could deduce information about the structure of the foil.