Roger Hayward (1899 – October 11, 1979) was an American artist, architect, optical designer and astronomer. He is the inventor of an early Schmidt-Cassegrain camera that was patented in 1945. He was born on January 7, 1899, to mother, artist Ina Kittredge (Phelps) Hayward and local businessman and time piece hobbyist Robert Peter Hayward. He was the grandson of American landscape artist

William Preston Phelps William Preston Phelps (1848–1923), known as "the Painter of the Monadnock", was an American landscape painter. Early years He was born on the family farm near Chesham, in what is now the Pottersville section of Dublin, New Hampshire on March ...

. In December 1968 he wrote "

Blivet An impossible trident, also known as an impossible fork, blivet, poiuyt, or devil's tuning fork,Brooks Masterton, John M. Kennedy"Building the Devil's Tuning Fork" ''Perception'', 1975, vol. 4, pp. 107-109 is a drawing of an impossible object ( ...

s: Research and Development" to ''

The Worm Runner's Digest The ''Worm Runner's Digest'' (''W.R.D.'') was created in 1959 by biologist James V. McConnell after his experiments with memory transfer in planarian worms generated a torrent of mail enquiries. The ''W.R.D.'' published both satirical articles, s ...

'' in which he presented interpretations of impossible objects.

References

*
US Patent 2,403,660, Schmidt-Cassegrain camera

External links

Roger Hayward - Renaissance Man
a biography of Roger Hayward written by his family members and published by

Oregon State University Oregon State University (OSU) is a Public university, public Land-grant university, land-grant, research university in Corvallis, Oregon. OSU offers more than 200 undergraduate-degree programs along with a variety of graduate and doctoral degree ...

A digitized collection of pastel drawings of molecules created by Hayward
20th-century American engineers 1899 births 1979 deaths {{US-engineer-stub