http://orcid.org/0000-0003-3272-8007
Figures & data
Figure 1. Sir William Rowan Hamilton (1805–65) and Lady Helen Maria Hamilton Bayly (1804–69). Reproduced from P A Wayman, Dunsink Observatory, 1785–1985: a bicentennial history, Dublin: The Royal Dublin Society and The Dublin Institute for Advanced Studies, 1987. The photographs were taken around 1855.
Figure 2. Robert Perceval Graves (1810–93). Reproduced from The Graves Family of Yorkshire and Mickleton Manor, Gloucestershire, England. http://www.gravesfa.org/gen068.htm (accessed on 21 February 2017).
