Howard Grubb

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The Grubb coelostat and Einstein lens with PhD student Maria Koutoulak. The coelostat will go on display. File photograph: Mark Stedman
Exhibition recognises Irish input in major astronomical discoveries

Ireland’s role in major astronomical discoveries of the past century is being recognised with a travelling exhibition that arrives in Dublin this week(...)

George Gabriel Stokes made profound contributions to hydrodynamics and devised and performed many ingenious experiments in optical science. Portrait: The Royal Society
Call for greater recognition of George Stokes’s contribution to science

Ireland should do much more to recognise “the immense contribution to the world of science” made by mathematician and physicist George Gabriel Stokes (...)

During the eclipse, Crommelin operated the telescope loaned by the Royal Irish Academy, and it was his photographs which actually confirmed Einstein’s theory. Photograph: Justin Sullivan/Getty Images
How a team of Irish astronomers eclipsed their more famous rivals

Most Irish people today are aware that astronomy thrived in Ireland during the 19th century, thanks to the enthusiasm of a number of prominent wealthy(...)

Prof Paul Callanan pictured with the equatorial telescope in the Crawford Observatory, UCC, which was manufactured by Howard Grubb. It tracks the motion of the stars using clockwork - just the same as Grubb’s “coelostat” device, which was used during the eclipse of 1919. Photograph: Andrew Bradley
Solar eclipse experiment which supported Einstein’s theory had Irish link

A total eclipse of the Sun 100 years ago today – on May 29th – provided the first evidence in favour of Einstein’s theory of general relativity. It g(...)