Geert Groote
（重定向自Groote, Gerhard）
![The beginning of the Book of the Hours of Geert Groote](/Images/godic/202501/16/Getijdenboek_Geert_Grote_Kasteel_Huis_Bergh_'s_Heerenberg2215.jpg")
![Museum Geert Grote Huis, Deventer (2016)](/Images/godic/202501/16/Deventer72215.JPG")
![St Thomas Aquinas in stained glass, Saint-Rombouts Cathedral, Mechelen, Belgium](/Images/godic/202501/16/Thomas_Aquinas_in_Stained_Glass2215.jpg")
Gerard Groote (October 1340 – 20 August 1384), otherwise Gerrit or Gerhard Groet, in Latin Gerardus Magnus, was a Dutch Roman Catholic deacon, who was a popular preacher and the founder of the Brethren of the Common Life. He was a key figure in the Devotio Moderna movement.