Nebraska Man was a name applied to Hesperopithecus haroldcookii, a putative species of ape. It was heralded as the first higher primate of North America. It was originally described by Henry Fairfield
This illustration of H. haroldcookii, by artist Amédée Forestier, was modeled on the Java Man.
Group portrait of the Piltdown skull being examined. Back row (from left): F. O. Barlow, G. Elliot Smith, Charles Dawson, Arthur Smith Woodward. Front row: A. S. Underwood, Arthur Keith, W. P. Pycraft, and Ray Lankester. The portrait on the wall is of Charles Darwin. Painting by John Cooke, 1915.