Frederick Loren Wilt (December 14, 1920 – September 5, 1994) was an American runner and FBI agent.

It contained chapters written by Wilt, notable coaches, including New Zealand's Arthur Lydiard, and Soviet gold medalist Vladimir Kuts, and went through six printings over the next ten years.

He reached out to Dr. Michael Yessis, who had previously introduced this concept to the United States through Russian translation of Verkhoshansky's work.

This inspired their later collaboration, to get this information out to U.S. coaches, and the book Soviet Theory, Technique and Training for Running and Hurdling.

[4] After retirement from FBI he worked as head coach for the Cross Country and Track and Field Women's team at Purdue University.