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{{For|the Canadian politician|Robert Leonard Hazen}} ...[[Francis Birch (geophysicist)|Francis Birch]], in the early- to mid-20th century, it did not have a name until the 1960s, and in the 1970s some scientists w ...

...or [[panemone windmill]] first appeared in [[Greater Iran]] during the 9th century.<ref>Glick, Thomas F., Steven Livesey, and Faith Wallis. Medieval science, The 9th century mathematician [[Muhammad ibn Musa al-Khwarizmi]] founded algebra and expand ...