Mary Ackworth Evershed
| Mary Ackworth Evershed | |
|---|---|
| Born |
Mary Ackworth Orr 1 January 1867 Plymouth Hoe, Devon, England |
| Died | 25 October 1949 (aged 82) Ewhurst, Surrey, England |
| Nationality | British |
| Other names | M.A. Orr |
| Known for | Astronomy and scholarship of Dante |
| Spouse(s) | John Evershed |
Mary Ackworth Evershed (née Orr; 1 January 1867 Plymouth Hoe, Devon – 25 October 1949, Ewhurst, Surrey) was a British astronomer and scholar. Her work on Dante Alighieri was written under the pen name M.A. Orr. Although her second name is increasingly appearing as Ackworth, this is totally incorrect, she always gave it as Acworth, and it appeared as such in both her obituaries, of which the one appearing in the Monthly Notices of the Royal Astronomical Society was written by her nephew A. David Thackeray, who presumably would have known. The first appearance of this incorrect version appears to have occurred in an article written by Mary Bruck.
Mary Acworth Orr was born to Lucy Acworth and Andrew Orr on 1 January 1867. Her father was an officer in the Royal Artillery. Mary grew up in Wimborne and South Stoke in Somerset.
When she was 20, Orr travelled abroad with her sisters, and when in Florence (1888–1890) began a study of the works of Dante which led to her lifelong interest in astronomical references in Dante's poems.
In 1890 Orr moved with her family to Australia. She found there was no good guide to the southern stars, so prepared An Easy Guide to the Southern Stars, with the encouragement of John Tebbutt, the leading astronomer in Australia at the time.
In 1895, she moved back to England and joined the British Astronomical Association, which at the time enjoyed membership from many intellectual women barred from the (then) all-male Royal Astronomical Society. During this time she became friends with Agnes Clerke and Annie Scott Dill Maunder, both notable for their contributions to historical astronomy.
Orr met British fellow astronomer John Evershed when they both participated in an expedition to view a total solar eclipse in Norway in 1896. The two married in 1906. Up to this time Evershed had worked as an industrial chemist, with solar physics as a hobby, but in 1906 was offered a post as assistant astronomer at Kodaikanal Observatory in India. Mary and John moved to Kodaikanal (visiting notable astronomical locations in the United States on the way) to allow him to take up the post in 1907. While in India, Mary collected plants from the region, which were ultimately deposited in the British Museum herbarium.
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