Lambertus Antonius Claessens

Lambertus Antonius Claessens or Lambert Antoine Claessens (21 November 1763 in Antwerp – 6 October 1834 in Rueil-Malmaison) was a Flemish engraver, print artist, copyist and publisher. He trained initially in Antwerp as a landscape painter and then in London as an engraver with Francesco Bartolozzi. He was active in Amsterdam and Paris. He is known for his reproductive prints mainly of portraits and old master paintings.

Life Lambertus Antonius Claessens was born in Antwerp where he first trained as a landscape painter at the local Academy. He became interested in printmaking and travelled to London where he was a pupil of Francesco Bartolozzi from 1792 to 1794. Jan Willem Caspari was his pupil. He married in Amsterdam the widow of the French miniature painter A. J. Pelletier. His wife was also active as a printmaker.