April 20, 1764–March 30, 1834
In 1809 he established his Repository of Arts, Literature, Fashions. This was a monthly publication that was in production until 1892. Ackermann's (as it was known in some circles) was a major influence in English cultural life.
Rudolph Ackermann - Wikipedia
Ackermann's Repository - Wikipedia
Rudolph Ackermann and his Repository of Art by Laura Boyle - Jane Austen Centre
Ackerman's [sic] Repository of Arts - Antique Prints