Egon Spengler him, which leaves him a little flustered. He celebrates his 40th birthday during this series, which would put him in his late twenties when "The Real Ghostbusters" began. Age is the largest factor causing Spengler to having transition from active ghost hunting to a mentorship role; in one episode where the original Ghostbusters guest starred on an episode the audience clearly sees middle adulthood has affected the speed and weakened the stamina of the original Ghostbusters. Although Egon Spengler does not appear in the 1990 "The Earth Day Special", his character and status as a Ghostbuster is mentioned, and Harold
Joseph J. Spengler Joseph J. Spengler Joseph John Spengler (19 November 1902 – 2 January 1991) was an American economist, statistician, and historian of economic thought. A recipient of the 1951 John Frederick Lewis Award of the American Philosophical Society and the 1981 Distinguished Fellow Award from the History of Economics Society, he was Professor Emeritus of Economics at Duke University at the time of his death. Spengler was born in Piqua, Ohio. He initially studied journalism at college, but dropped out after his first year to become a crime reporter. A year later he returned to higher education, at first studying sociology