William Link

William Theodore Link (December 15, 1933 – December 27, 2020) was an American screenwriter and producer. He was born in Philadelphia, Pennsylvania. Link was known for creating the television programs "Columbo", "Murder, She Wrote" and "Mannix". He won two Primetime Emmy Award in 1970 and 1972. 
Link died on December 27, 2020 in Los Angeles from heart failure at the age of 87.