title: Obituary.
authors.affiliation: Dotter Interventional Institute, Oregon Health & Science University Hospital, Mail Code L-605, 3181, SW Sam Jackson Pk Rd, Portland, OR, 97239, USA. kellerf@ohsu.edu.
authors.forename: Frederick S
authors.initials: FS
authors.lastname: Keller
authors.affiliation: Dotter Interventional Institute, Oregon Health & Science University Hospital, Mail Code L-605, 3181, SW Sam Jackson Pk Rd, Portland, OR, 97239, USA.
authors.forename: John A
authors.initials: JA
authors.lastname: Kaufman
mesh_terms: D003604:Czechoslovakia; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008297:Male; D015641:Radiography, Interventional / Q000266:history*; D014481:United States