Robert F. Landel (October 10, 1925 – September 10, 2024) was an American physical chemist at the Jet Propulsion Laboratory noted for his contribution to development of the Williams–Landel–Ferry equation,[1][2] and for a particular form of hyperelastic energy function, the Valanis-Landel form.
[4] He was a combat infantryman in World War II, serving in eastern France and southern Germany (1943–1946).
Landel worked for Jet Propulsion Lab on solid rocket propellants as a physical chemist.
Landel died at his home in Santa Cruz, California, on September 10, 2024, at the age of 98.
[7] In 2006, he won the Charles Goodyear Medal, bestowed by the American Chemical Society, Rubber Division to individuals who "have been the principal inventor(s), innovator(s), or developer(s) of a significant change or contribution to the rubber industry".