![](https://cdn.statically.io/img/static01.nyt.com/packages/flash/multimedia/ICONS/transparent.png)
Dr. Julius Youngner, right, with Dr. Jonas Salk in an undated photo.
University of Pittsburgh; thumbnail, University of Pittsburgh, 2010
Julius Youngner
Died on April 27, 2017 at age 96
Dr. Youngner was an inventive virologist whose nearly fatal childhood illness destined him to become a medical researcher and a core member of the team that developed the polio vaccine with Dr. Jonas Salk in 1955.
Notable Deaths 2017
Remembering Mary Tyler Moore, Chuck Berry, Jerry Lewis, David Rockefeller, Trisha Brown, Glen Campbell, Dick Gregory, Edith Windsor, Sam Shepard, Tom Petty and many others who died this year.