Joe C. Yelderman Jr.

Joe Calvin Yelderman Jr., B.S. ’74, M.S. ’76, passed away Aug. 9 surrounded by his family.

The son of Joe Calvin Yelderman Sr. and Ada Frances Yelderman, he was born July 10, 1950, and grew up in Needville, TX. His father’s love of the outdoors sparked his lifelong passion for nature, leading Yelderman to pursue a career in geology and environmental science.

Yelderman earned his bachelor’s and master’s degrees from Baylor, and he completed his Ph.D. in geology at the University of Wisconsin–Madison in 1983.

For 43 years, Yelderman served as a professor of geology at Baylor, specializing in hydrogeology. He was a gifted educator and mentor who inspired generations of students through his passion for teaching, scientific excellence and environmental stewardship. He retired this year in May.

Yelderman shared 51 wonderful years of marriage with his wife, Diane, B.S. ’76. They met at Baylor University in 1972 and were married in 1975 at Columbus Avenue Baptist Church.

His greatest passion was his faith in Jesus Christ. Yelderman served at Columbus Avenue Baptist Church for more than 20 years as a Sunday school teacher and deacon. Known for his quick wit, infectious sense of humor, gentle spirit and as an avid birdwatcher, Yelderman’s legacy is one of unwavering faith, devoted service, intellectual curiosity and genuine kindness.