Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for …

Jan 22, 2026 · Carl Sagan, American astronomer and science writer. A popular and influential figure in the United States, he was controversial in scientific, political, and religious circles for …

Nov 4, 2024 · Carl Sagan (1934 – 1996) played a leading role in the American space program from its very beginning. He was a consultant and adviser to NASA beginning in the 1950s — …

Apr 2, 2014 · Best Known For: Carl Sagan was one of the most well-known scientists of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament and co …

Carl Sagan was the world’s best known scientist in the late 20th century, serving as our guide to the planets during the golden age of solar system exploration.

Nov 8, 2024 · What most people don't know about Sagan, and what has been somewhat obscured by his fame, is the far-reaching impact of his science, which resonates to this day.

He was a consultant and adviser to NASA beginning in the 1950s, he briefed the Apollo astronauts before their flights to the Moon, and was an experimenter on the Mariner, Viking, …

Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer and astrochemist and a highly successful popularizer of several natural sciences. He pioneered …

Items from Carl Sagan's papers illustrate the many facets of his career. More broadly, these items speak to the range of roles scientists play in society. Most Americans know Carl Sagan best …

Nov 9, 2024 · Bottom line: Carl Sagan would have turned 90 on November 9, 2024. Here’s a look at his accomplishments and the contributions he made to the world of astronomy and science.