* 28 April 1854, † 23 August 1923
Phoebe Sarah Hertha Marks Ayrton was born on 28 April 1854 in Portsea, near Portsmouth, England. Phoebe Sarah Hertha Marks Ayrton died on 23 August 1923 in North Lancing, Sussex, England.
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| created: 2016-08-26 21:54:32 | modified: 2016-08-26 21:54:32 | by: bookofproofs | references: [6909]
[6909] O’Connor, John J; Robertson, Edmund F: “MacTutor History of Mathematics Archive”, http://www-history.mcs.st-and.ac.uk/, 2014