Barry Ptolemy City on August 3, 2011. Ptolemy has been quoted as saying he assembled this panel to "start a grand discussion about the future." Barry Ptolemy Robert Barry Ptolemy (born 1969) is an American film director, producer and writer. Ptolemy directed "Transcendent Man" (2009) a documentary film about futurist and inventor Ray Kurzweil. Ptolemy was born in Los Angeles, California. His father introduced him to computers at an early age, giving him a lifelong interest in technology. At the age of 12, Ptolemy worked with Steven Spielberg on the set of "E.T. the Extra-Terrestrial" (1982) as an animal wrangler. Inspired by
Ptolemy be printed with engraved maps; the earliest printed edition with engraved maps was produced in Bologna in 1477, followed quickly by a Roman edition in 1478 (Campbell, 1987). An edition printed at Ulm in 1482, including woodcut maps, was the first one printed north of the Alps. The maps look distorted when compared to modern maps, because Ptolemy's data were inaccurate. One reason is that Ptolemy estimated the size of the Earth as too small: while Eratosthenes found 700 "stadia" for a great circle degree on the globe, Ptolemy uses 500 "stadia" in the "Geography". It is highly probable that