2000, a year after his mother's death. Prior to his death, Michael was an accomplished computer scientist. Gretchen attended Goucher College as a senior from 1982 to 1983, where her father Muuss taught. She went on to become a computer accounting specialist. Death Muuss died of heart failure on 3 July 2020 at the age of 95. He died in Towson, Maryland at the University of Maryland St. Joseph Medical Centre. Selected works References 1924 births 2020 deaths German emigrants to the United States Goucher College faculty and staff 20th-century American scientists 20th-century American male writers 20th-century psychologists People from Nordfriesland Luftwaffe pilots German prisoners of war in World War II Military personnel from Schleswig-Holstein Fellows of the Association for Psychological Science