Gleason, Dr. William Bourke age 76, died on July 6, 2021, at his home in Minneapolis. Bill was born in Baltimore, Maryland, the oldest of seven children of the late Thomas Joseph Gleason and Mary Jane McDonough Gleason. He grew up in Pittsburgh, Pennsylvania, and graduated from St. Vincent's Preparatory School in Latrobe, Pennsylvania. He graduated from Northwestern University, obtained his Master's degree in biochemistry from the University of Iowa, and his Ph.D in chemistry from the University of Minnesota. He was retired from a career as a professor at the University of Minnesota School of Medicine. Prior to that he taught at the University of Minnesota Chemistry Department and also held posts at St. Catherine University, St. Olaf and Carleton Colleges, among others. Bill also worked at 3M Corporation as a research scientist. During his career, he worked, while on sabbatical, at the University of Cambridge in England and at Brandeis University in Massachusetts. A dedicated researcher, Bill was also a beloved educator who mentored numerous doctoral students who studied and worked in his laboratories. He is survived by his son, Alexander Gleason, of San Francisco. He was preceded in death by his parents and his brothers, Patrick Gleason (Sue Lane), John Gleason (Beverly Noretsky) and Thomas Gleason (Raysa Toppi). He is survived by three siblings: Eileen Gleason and Kathleen Gleason Mackenzie of New Orleans, and James Gleason of Pittsburgh, and by his aunt, Roselyn O'Rourke. He also is survived by his former wife by first marriage, Dr. Florence Kowalczyk Gleason of St. Paul, and by his former wife by second marriage, Dr. Judith Neiswander of Boston. Burial will be private to be followed by a memorial service at a later date. Donations in his memory to the National Alliance on Mental Illness, New Orleans chapter, are preferred.