Christensen Frank

American football fullback who played in the National Football League (NFL) with the Detroit Lions (1934–1937), where he was a member of the 1935 World Championship team. Christensen was also successful in business. He helped revolutionize the mining and petroleum industry and is recognized as the driving force behind the introduction of diamond drill bits into the petroleum exploration industry. His company, Christensen Diamond Products Company, became the world’s largest producer of industrial diamond products. Christensen died in Salt Lake City on 6 September 2001 at the age of 91. Link to Wikipedia biography Read less