John Fenn
1917–2010 (age 93)
chemist
Biography
John Fenn redefined modern chemistry through his groundbreaking work in mass spectrometry, earning the Nobel Prize for the development of electrospray ionization that made it possible to study large biomolecules. His curiosity and meticulous research opened new pathways for understanding proteins and advancing medical science.
He remained deeply committed to mentoring young scientists, encouraging them to be both imaginative and rigorous in their work. His kind spirit and relentless pursuit of knowledge left a lasting imprint on the scientific community.