Aegidius Gelenius

Aegidius Gelenius (10 June 1595 – 24 August 1656) was a German clergyman and historian who worked as historiographer to the Archbishop-Elector of Cologne, Ferdinand of Bavaria.

In 1645, the prince Wolfgang Wilhelm requested him to take up the office of canonical visitor for the ecclesial institutions of the Duchy of Berg with a brief to improve their efficiencies.

A small section of volume 12 is quoted by Godfrey Henschen in the Acta Sanctorum under the entry for Saint Alban (June 22nd).

His main work was De admiranda sacra et civili magnitudine Coloniae... published in 1645, which dealt largely with the city's church history, sacred monuments and holy relics.

In 1644, he sought permission from the city council to publish this work, which was printed the following year with imprimaturs from Cologne, Dusseldorf and Kempen.

Gelenius also studied the coat of arms and antiquities of the Rhenish nobility in the territory neighboring the Low Countries.