heavy water. Adam Giede Boving served as assistant curator of entomology in the Zoological Museum in Copenhagen from 1902 to 1913 and after emigration became a research associate at the Smithsonian; in 1939 he joined the staff of the Bureau of Entomology at United States Department of Agriculture (USDA) until his retirement in 1945. Sports James J. Ward (born in Denmark as Jens P. Wilson) stands as an early pioneer aviator and biplane exhibition flyer. He was among those who attempted the first transcontinental (New York to San Francisco) air race in 1911. Oscar Mathæus Nielsen, also known as Battling Nelson, was a boxer who held the world lightweight championship on two separate occasions. He was nicknamed "the Durable Dane". Nelson was born in Copenhagen, Denmark, and emigrated to the United States in 1883. John Gutenko, also known as Kid Williams, was a boxer who held the world bantamweight championship. Gutenko was born in Rahó, Austria-Hungary to a Danish father and emigrated to the United States in 1904. Morten Andersen was a pro football kicker in the NFL for the New Orleans Saints from 1982 to 1994. As a kicker, he held the NFL scoring record until October 28, 2018, when it was broken by Colts kicker Adam Vinatieri. He also played for the Atlanta Falcons from 1995 to 2000, and then again from 2006 to 2007. Other NFL teams he has also played for are the New York Giants in 2001, Kansas City Chiefs from 2002 to 2003, and the Minnesota Vikings in 2004. Earl W. Bascom was a professional rodeo champion and rodeo equipment inventor. Called the "father of modern rodeo" and the "father of rodeo bareback riding," he invented the modern bareback rigging in 1924 which helped rodeo bareback bronc riding become an international sport. He was the first inductee of the National Bareback Riding Hall of Fame. George Nissen was an Americans gymnast and inventor who developed the modern trampoline and made trampolining a worldwide sport. Related to American sports culture, competitive swimming and sports apparel have never been the same since Danish-American Carl C. Jantzen and his partners founded the Jantzen Knitting Works in Portland, Oregon, in 1910. Music Gunnar Johansen was a Danish-American pianist and composer who emigrated originally to California and settled in Wisconsin, becoming the first musical artist in residence in the U.S. at the University of Wisconsin-Madison in 1939. Carl Busch