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.
From 1829 to 1870, many printing or typing machines were patented by inventors in Europe and America, but none went into commercial production. 1  American Charles Thurber developed multiple patents, of which his first in 1843 was developed as an aid to the blind, such as the 1845 Chirographer.