William Tesch, 79, Yankton and formerly of Rapid City, died Tuesday, October 1, 2019 in Yankton. He was born March 27, 1940 in Lead, SD to Arnold and Gertrude (Bratt) Tesch. He grew up in Lead and graduated from Lead High School. He worked as a machinist until his retirement. He was an avid bowler and enjoyed hunting and fishing. William is survived by his children, Terry Tesch, Rapid City; Allan (Karen) Tesch, Douglas, WY; Paul Crecelius, Washington and Cindy Myhre, Minnesota; many grandchildren; two brothers, Charles (Myrna) Tesch, Pine Haven, WY and Arnold (Sherrie) Tesch, Arizona; his sister-in-law Norma Tesch, Sturgis and his brother-in-law Bud Westre, Rozet, WY. He is preceded in death by his parents, his brothers, LeRoy, David and Robert Tesch, his sister Marlene Westre and his daughter Debra Tesch.