Portrait of Edward Walter Maunder

Edward Walter Maunder

English astronomer studying sunspots

Lived
1851–1928

Updated September 2026

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About Edward Walter Maunder

Edward Walter Maunder was a British astronomer. His study of sunspots and the solar magnetic cycle led to his identification of the period from 1645 to 1715 that is now known as the Maunder Minimum.

Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.

Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers, free texts from Project Gutenberg. Last updated September 2026.