Alger “Al” Colthorp

Alger “Al” Colthorp (BS ’56, MS ’59, Civ Egr) of Lake St. Louis, Missouri, died October 18, 2011, at the age of 77.

A registered professional engineer, Colthorp volunteered for the Dardenne Creek Stream Rehabilitation and served on the engineering committee for the Lake St. Louis Community Association. He enjoyed golfing, sailing, boating, gardening, landscaping, skiing, ice skating, and being an outdoorsman.

He is survived by his wife, Marie Warner Colthorp; his children, Lynn (Bob Cappucino) Colthorp-Cohrs, Cynthia (John Nagel) Colthorp, Alan (Angela) Colthorp, Scott Colthorp, and Craig (Maria) Colthorp; his stepchildren Constance Graziano, John (Erin) Graziano, and Carol Graziano; grandchildren Michael, Hannah, Hailey, Alexander, Matthew, Thomas, Sean, and Nick; great grandchild Brianna; and his siblings Katherine (Cornell) Foltuz and Fenton Colthorp. Colthorp is also survived by his former wife and mother of his children, Elizabeth Joyce Colthorp,

He is preceded in death by his parents, Floyd and Genevieve Colthorp; siblings, Doyle Colthorp, Phyllis Horst, Theodore Colthorp, and Victor Colthorp.