Dr Mart de Groot, 1938-2025
On 9 October 2025 Dr Mart de Groot handed away at his dwelling in Richhill, Armagh. Dr de Groot stood because the 8th Director of the Armagh Observatory between 1976 and 1994, stewarding the establishment by troubled instances and celebrating the 2 hundredth anniversary in 1990.
Mart de Groot was born on 13th November 1938, in Leiden, the Netherlands. His father was Anton de Groot, and his mom Johanna Degent. Coming into the College of Utrecht in 1959, he studied Arithmetic and Physics, with a minor in Astronomy. His consideration was quickly captured by the cosmos, and he grew to become notably all for Stellar Evolution and commenced a life-long love of the star P Cygni. He obtained his PhD from College of Utrecht in 1969, after which spent the next years within the Southern Hemisphere.
From 1970-1976 he was the Resident Astronomer on the European Southern Observatory (ESO) in Chile, excessive within the distant mountains. This remoteness didn’t forestall him, and his rising household, from the turbulence that gripped that nation through the interval, however he noticed it ready him properly for the position he took thereafter.
Mart and Wilhelmina de Groot, in entrance of the Seal of the Armagh Observatory which they made collectively for the 1990 Bicentennial Celebrations.
Arriving in 1976, he spent the primary month of his Directorship of the Armagh Observatory making ready the house for his household along with his personal fingers, making beds and furnishings himself. He married Wilhelmina in 1964, and their marriage was one of many biggest joys of his life. His household included 5 kids when he arrived, and a sixth throughout his Directorship. He was the final of the Administrators of the Armagh Observatory to dwell within the constructing. Throughout his tenure he elevated the workers of Astronomers and instituted the programme of PhD college students, which continues to this present day with almost 100 hundred college students having graduated to date.
Mart started planning for the Bicentenary celebrations of the Armagh Observatory in 1990 nearly as quickly as he took up his place as Director. He additionally labored with the late Dr Jim Bennett to see essentially the most full historical past of the establishment Church, State and Astronomy launched alongside John McFarland and Dr John Butler. The 12 months 1990 noticed over sixty occasions to have a good time the event together with a touring exhibition of the Troughton Equatorial Telescope, then the oldest telescope on the earth nonetheless situated in its unique dome. The restoration of the telescope, and the dome, stays one of many biggest achievements of his Directorship.
Having overseen the expansion of the establishment by way of workers, and the introduction of scholars, he was additionally the final of the lengthy line of Administrators to dwell within the establishment. In 1988, he and his household moved to Richhill. Thereafter the Observatory dwelling quarters have been transformed into a lot wanted workplace areas to accommodate the burgeoning workers he led.
In 1994 he retired from the submit of Director, having served within the workplace for eighteen years. He remained on the workers of the Armagh Observatory as a researcher till 2000. In that very same 12 months he returned to his life-long astronomical curiosity and hosted ‘P Cygni 2000: 400 Years of Progress’, a world convention that was exceptionally properly obtained.
In 1997 he grew to become the Pastor to Belfast and Larne Seventh Day Adventist Church buildings having served as a lay preacher and lay elder for a few years prior. His religion had been a distinguished a part of his life as a lot as his scientific endeavors, and he relished the chance to serve in each capacities all through his profession.
Mart de Groot, former Director of Armagh Planetarium; Professor Michael Burton, Director AOP and Mark Bailey, former Director of Armagh Planetarium. Armagh Planetarium fiftieth Celebrations. Armagh Planetarium Armagh Co.Armagh
1 Might 2018 CREDIT: www.LiamMcArdle.com
Professor Mark Bailey, Emeritus Director, famous that ‘He at all times discovered it a pleasure working with him and chatting with him about astronomy’.
Professor Michael Burton, present Director of Armagh Observatory and Planetarium, mentioned: “Mart de Groot was a visionary chief who mixed a ardour for science with a deep respect for the legacy of Armagh Observatory. His dedication to innovation, analysis, and training has formed the establishment we all know right this moment. The Observatory’s thriving postgraduate programme and its worldwide standing are a testomony to his enduring affect. We’re proud to proceed the work he so passionately superior.”
Lately he has remained a detailed pal of the Armagh Observatory and Planetarium, having supported the work of the heritage workforce by Oral Historical past Interviews, and attended many occasions such because the 50th Anniversary of the Armagh Planetarium.
It appears solely becoming to shut by noting the outline of Mart de Groot given by Professor Ernst Julius Öpik, upon his appointment as Director of the Armagh Observatory, an outline which proved as true because it was perceptive.
I’m personally deeply impressed by the environment of friendliness, of a humanitarian, non secular and philosophical method surrounding our new Director.
