Definition
George de Hevesy (1885-1966) was a Hungarian radiochemist and Nobel laureate. He's best known for developing radioactive tracer techniques. Think of him as a scientific detective using isotopes to solve mysteries. Hevesy's work had a huge impact on medicine and environmental science. He showed how chemistry can illuminate biological processes. He won the Nobel Prize in Chemistry in 1943. His techniques allowed scientists to track elements through complex systems.