Heimann, William Edwin died peacefully of cancer in his home in Clayton, Missouri, on September 23, 2018. He was 77 years old. He is survived by his wife, Kathleen Locklar Heimann and two daughters, Sarah Elizabeth Heimann and Alexandra Cynthia Joy Heimann that he adored.

William, most frequently known as Bill, was a successful businessman. He was devoted and generous to all his employees, friends and family. He graduated from the St. Louis College of Pharmacy.

Bill was the son of William Harold Heimann and Stella Fern Spradling Heimann. He adored his sister, Joy Geneva Heimann Miller LaVanchy, and his brother, Norman Lee Heimann, as well as all of his extended family.

A memorial service to celebrate his life will be held at a later date.