EntityQ5216732· pop 6· linked from 27 articlesDaniel CallahanSign in to saveAmerican bioethicist (1930-2019)Listeners · Last.fmListeners13Total plays57 <a href="https://www.last.fm/music/Daniel+Callahan">Read more on Last.fm</a>via Last.fm · Daniel CallahanConnectionsphilosophyEntityWashington, D.C.EntityCategories1930 births2019 deaths20th-century American businesspeople20th-century American non-fiction writers21st-century American non-fiction writersAmerican bioethicistsAmerican company foundersBusinesspeople from Washington, D.C.Christians from Washington, D.C.Fellows of the Hastings CenterGeorgetown University alumniHarvard Graduate School of Arts and Sciences alumni