Helaman Rolfe Pratt Ferguson (born 1940, Salt Lake City, Utah) is an American sculptor and a digital artist, specifically an algorist.

Ferguson's mother died when he was about three and his father went off to serve in the Second World War. He was adopted and raised in New York. He was a graduate of Hamilton College and received a Ph.D. in mathematics from the University of Washington

University of Washington

University of Washington is a public research university, founded in 1861 in Seattle, Washington, United States. The UW is the largest university in the Northwest and the oldest public university on the West Coast. The university has three campuses, with its largest campus in the University...

. He taught at Brigham Young University

Brigham Young University

Brigham Young University is a private university located in Provo, Utah. It is owned and operated by The Church of Jesus Christ of Latter-day Saints , and is the United States' largest religious university and third-largest private university.Approximately 98% of the university's 34,000 students...

 in the early 1980s.

His mathematical research produced new algorithms, most notably the PSLQ algorithm, which was selected as one of the "Top Ten Algorithms of the Century" by Jack Dongarra

Jack Dongarra

Jack J. Dongarra is a University Distinguished Professor of Computer Sciencein the Electrical Engineering and Computer Science Department at the University of Tennessee...

and Francis Sullivan. He is an active artist, often representing mathematical shapes in his works.