What is William Alfred Fowler known for?
I am best known for my work in nuclear astrophysics, particularly for demonstrating that the chemical elements are synthesized inside stars through nuclear reactions. Along with Geoffrey and Margaret Burbidge and Fred Hoyle, we published the seminal 1957 paper 'Synthesis of the Elements in Stars,' often called B2FH. That work laid out the processes—like the s-process, r-process, and the carbon-nitrogen-oxygen cycle—by which stars forge elements from hydrogen and helium up to uranium. I also shared the 1983 Nobel Prize in Physics with Subrahmanyan Chandrasekhar for our independent contributions to understanding stellar evolution and element formation. My approach was always to measure nuclear reaction cross-sections in the lab, then scale those data to stellar interiors. The evidence is clear: we are made of star stuff.
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