The Holley Medal is an award of ASME (the American Society of Mechanical Engineers) for "outstanding and unique act(s) of an engineering nature, accomplishing a noteworthy and timely public benefit by one or more individuals for a single achievement, provided the contributions are equal or comparable." The award was established in 1924 in honor of the American mechanical engineer, inventor and charter member of ASME Alexander Lyman Holley (1832-1888). Source: Wikipedia (en)