Steven Schaffer, Sioux Falls, SD, died May 7, 2017, at Sanford USD Medical Center in Sioux Falls. He was 61. Steven Albert Schaffer was born June 10, 1955, in Deadwood, SD, to Albert “Ambrose” and Lillian (Volker) Schaffer. He was raised in Lead, SD, where he graduated from high school in 1973. He then attended School of Mines and Technology where he earned a Bachelor of Science degree in mathematics. He later earned his Master degree from the University of South Dakota.