Hal Hellman

Born in 1927, Hal Hellman was an American science writer who spent decades explaining technical subjects for general readers. Reference sources describe him as a freelance writer from the mid-1960s on, with work spanning science, technology, history, and biography.

He is especially known for books that turn intellectual history into lively narrative, including Great Feuds in Science and other works on disputes in mathematics and medicine. Publisher and catalog biographies also note that he wrote for outlets such as The New York Times, Omni, Reader's Digest, Psychology Today, and Geo.

Available biographical records indicate that he died in 2016 at age 89. Taken together, his career suggests a writer who enjoyed making science approachable by focusing not just on discoveries, but on the people, rivalries, and ideas that shaped them.