Henry Ussher (astronomer)

Henry Ussher (1741–1790) was an Irish mathematician and astronomer, best known as the inaugural Andrews Professor of Astronomy at Trinity College Dublin (TCD), a title later accompanied with the designation Royal Astronomer of Ireland. Ussher was a key player in the setting up of Dunsink Observatory outside the city of Dublin and was its first director.^[1]

^ Wayman, P. A. "Ussher, Henry". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/28033. (Subscription or UK public library membership required.)

[1] Wayman, P. A. "Ussher, Henry". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/28033. (Subscription or UK public library membership required.)

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