[3] In 1712 he moved to London at the invitation of Claude Dubosc,[2] in order to assist him on his engravings of Laguerre's mural at Marlborough House.
Some art historians have suggested that a drawing by Watteau of an engraver at work, in the collection of British Museum, is a portrait of Baron.
[2] In 1735 Baron was one of a group of leading London artists shown in Gawen Hamilton's painting A Conversation of Virtuosis[3][4] He was one of four French engravers employed by William Hogarth to produce plates for his series Marriage à la mode.
He also engraved portraits by Hogarth and Allan Ramsay, and works by Holbein, Rubens, Van Dyck, and Teniers.
[3] Writing in the late 18th century, Joseph Strutt described Baron's style as "slight and coarse, without any great effect", adding that "his drawing is frequently very defective.