Donald R. Lamb was raised in Casper, Wyoming. He served in the U.S. Army Air Corp during World War II as a B-24 navigator from 1942 to 1945. During this time he married Orla, his life partner and mother of his three children. He began his teaching career at UW, as a supply instructor in 1951. He was promoted to professor in 1961, was chairman of the Department of Civil and Architectural Engineering from 1964 to 1974, and remained on the faculty until 1981. As a registered Professional Civil Engineer, he focused his career on transportation engineering, teaching, and public service. He conducted research sponsored by the National Science Foundation and the Wyoming Department of Transportation. He was a consulting civil engineer as a partner and then owner of Engineering Associates in Laramie between 1977 and 1985. This firm operates today as Coffey Engineering and Surveying under the ownership of his grandson. His public service included being elected a city councilman, a hospital board trustee, and a state legislator. He served on many boards and was a member of many professional societies. As a teacher he was known for his ability to illuminate and impart knowledge and formed many life long friendships with his students who can be found all over the world.