title: In Memoriam: Floyd Dunn (1925-2015).
authors.forename: Andi
authors.initials: A
authors.lastname: Dunn
authors.forename: Roo
authors.initials: R
authors.lastname: Dunn
authors.forename: Bill
authors.initials: B
authors.lastname: O'Brien
mesh_terms: D004738:Engineering / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007087:Illinois; D007564:Japan; D008297:Male; D014465:Ultrasonics / Q000266:history; D014463:Ultrasonography / Q000266:history*