# Roger Hayward

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{{Short description|American engineer (1899–1979)}}
{{infobox person
|name = Roger Hayward
|image = 220 px
|caption =
|death_date = {{Death date and age|1979|10|11|1899|10|11}}
|birth_date = {{Birth date|1899|10|11}}
|occupation = [Artist](/source/Artist)
|notable_works = [Blivet](/source/Blivet)
}}
'''Roger Hayward''' (1899 – October 11, 1979) was an American artist, architect, optical designer and astronomer. He is the inventor of an early [Schmidt-Cassegrain](/source/Schmidt-Cassegrain) camera that was patented in 1945. He was born on January 7, 1899, to mother, artist [Ina Kittredge (Phelps) Hayward](/source/Ina_Hayward) and local businessman and time piece hobbyist Robert Peter Hayward.  He was the grandson of American landscape artist [William Preston Phelps](/source/William_Preston_Phelps).<ref>{{Cite web | url=https://scarc.library.oregonstate.edu/coll/hayward/timeline.html | title=Timeline for Roger Hayward - Roger Hayward Papers, 1899-2007 - Special Collections & Archives Research Center, Oregon State University Libraries}}</ref>

In December 1968 he wrote "[Blivet](/source/Blivet)s: Research and Development" to ''[The Worm Runner's Digest](/source/The_Worm_Runner's_Digest)'' in which he presented interpretations of impossible objects.<ref>{{cite book | title = Mathematical Circus| last = Gardner | first = Martin | authorlink = Martin Gardner | publisher = [Pelican Books](/source/Pelican_Books) | year = 1981 | page = 5}}</ref>

==References==
{{Reflist}}
*{{Cite journal
  | last = Bell
  | first = Trudy
  | author-link =
  | title = Roger Hayward: Forgotten Artist of Optics
  | journal = Sky and Telescope
  | volume = 114
  | issue = 3
  | pages = 30–37
  | date = September 2007
  | doi =
  | bibcode = 2007S&T...114c..30B
 | id =
  }}
*[https://www.freepatentsonline.com/2403660.pdf US Patent 2,403,660, Schmidt-Cassegrain camera]

==External links==
* [https://scarc.library.oregonstate.edu/coll/hayward/index.html The Roger Hayward Papers]
*[https://scarc.library.oregonstate.edu/omeka/exhibits/show/hayward/introduction/introduction/ Roger Hayward - Renaissance Man], a biography of Roger Hayward written by his family members and published by [Oregon State University](/source/Oregon_State_University)
* [http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/bond/people/hayward.html A digitized collection of pastel drawings of molecules created by Hayward]

{{Authority control}}

{{DEFAULTSORT:Hayward, Roger}}
Category:20th-century American engineers
Category:1899 births
Category:1979 deaths

{{US-engineer-stub}}

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Adapted from the Wikipedia article [Roger Hayward](https://en.wikipedia.org/wiki/Roger_Hayward) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Roger_Hayward?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.