Raymond Burr the debut episode of "Dragnet". He went on to appear in such programs as "Gruen Playhouse", "Four Star Playhouse", "Ford Theatre", "Lux Video Theatre", "Mr. and Mrs. North", "Schlitz Playhouse of Stars" and "Playhouse 90". In 1956, Burr auditioned for the role of District Attorney Hamilton Burger in "Perry Mason", a new CBS-TV courtroom drama based on the highly successful novels by Erle Stanley Gardner. Impressed with his courtroom performance in the 1951 film "A Place in the Sun", executive producer Gail Patrick Jackson told Burr he was perfect for Perry Mason, but at least overweight. Over the next month,
Thomas Burr Osborne (chemist) also established the importance of lysine and tryptophan in a healthy diet. Thomas Burr Osborne (chemist) Thomas Burr Osborne (August 5, 1859 – January 29, 1929) was a biochemist and early discoverer of Vitamin A. He is known for his work isolating and characterizing seed proteins, and for determining protein nutritional requirements. His career was spent at the Connecticut Agricultural Experiment Station. Thomas was the son of lawyer Arthur Dimon Osborne and the grandson of US Representative Thomas Burr Osborne. His life exhibited "a single purpose, the understanding of the relationships of proteins to each other and the animal world.