Francis "Frank" Porter Riggs was born in New York City in 1922. He is a sculptor of minimalist metal pieces and cofounder of the North Mountain Artists Co-operative of Utah.
Riggs graduated from the Pratt Institute in New York specializing in industrial design. He moved to Utah when the Milo Baughman Design firm of Wellesley, Massachusetts was invited to set up an environmental design department at Brigham Young University. He eventually became a full-time faculty member in the Department of Visual Arts.
His pieces Sentinel (1988) and Tohatchi (1988) are part of the Springville Museum of Art's permanent collection. Star Collector was purchased by Utah State Collection of Fine Art. His piece Windows of Heaven, which is permanently located at BYU, first appeared on campus in 1975.