When you look more generally at life on Earth, you find that it is all the same kind of life. There are not many different kinds; there's only one kind. It uses about fifty fundamental biological building blocks, organic molecules.

Ann Druyan was at the Center as it opened its doors on October 22 2006. His father Samuel Sagan was an immigrant garment worker from Russia in today's Ukraine. Sagan's views on religion have been interpreted as a form of pantheism comparable to Einstein's belief in Spinoza's God.

He advocated scientifically skeptical inquiry and the scientific method pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). Sagan wrote the novel Contact the basis for a 1997 film of the same name. The book Cosmos was publiCarl Sagand to accompany the series.