Historical biography archive · Updated 2026-11-03

William Draper Harkins Biography and Timeline

Follow William Draper Harkins through 1 dated historical records for United States of America.

William Draper Harkins, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
1927–1927Years on this page

1927

Uranium Isotopes

Chemist · Chicago · Science / Chemistry

Studies isotope abundance and nuclear stability in heavy elements.

Role range: 1873-1951

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.