1820 - made portraits of Arthur Thistlewood and the so-called Cato Street conspirators in Clerkenwell prison.
1828 - invented a rope fire escape.
1829 - made superintendent of fire escapes.
1847 - produced portraits of railway celebrities for the Monthly Railway Record
Eldest son, Abraham, also became an artist, and painted a portrait of Sir Rowland Hill, inventor of the penny post, which was engraved in mezzotint by W. O. Geller in 1848.
