Edward Walter Maunder identified and named the 17th-century solar-activity minimum (1645–1715) that bears his name. He worked closely with the Greenwich computer Annie Scott Dill Russell on the analysis. What happened when they married in 1895?
Annie resigned in 1895 under the standard British Civil Service marriage bar (substantially in force until 1946). She continued unpaid astronomical work in close collaboration with Edward through the next three decades. The Maunder eclipse-photography expeditions of 1898 (India), 1900 (Algeria), 1901 (Mauritius), and 1905 (Labrador) were substantially joint Maunder operations; the published reports went under Edward's name. Modern reassessment has restored her significant contribution to the joint work, including the naming of a Mars crater in her honour.
Read the full story →Edward Walter Maunder was Royal Greenwich Observatory's senior solar astronomer from 1873 to 1913. He identified the unusual 1645–1715 sunspot deficit in the Greenwich archive and substantially defined it as a coherent solar-activity phenomenon. He married his junior collaborator Annie Russell in 1895 — and her contribution to the work was substantially larger than the published record acknowledged.
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