Don Knotts shows such as "The Bill Cosby Show" and "Here's Lucy". In 1970, appeared as a Barney Fife-like police officer in the pilot of "The New Andy Griffith Show". In 1972, Knotts voiced an animated version of himself in two episodes of "The New Scooby Doo Movies": "The Spooky Fog of Juneberry", in which he played a lawman resembling Barney Fife, and "Guess Who's Knott Coming to Dinner". He also appeared as Felix Unger in a stage version of Neil Simon's "The Odd Couple", with Art Carney as Oscar Madison. Beginning in 1975, Knotts was teamed with Tim Conway in a
Felix Unger his Ph.D, became Associate Professor (and later Full Surgical Professor). In Salt Lake City, he invented Ellipsoidherz, later used by Unger for his 1986 artificial heart transplant procedure. In 1990 he founded the European Academy of Sciences and Arts, together with Kardinal König and Professor Lobkowitz. From 1985 to2011 he was the leader of the University Clinic for cardiac surgery in Salzburg. From 2001, he has been the president of the European Institute of Health. Prof. Unger is a member of a number of academies of science: a corresponding member of the Academy of Sciences and Arts of the German