He produced aquatints, mezzotints and drypoints. The print was copied and pirated, producing at least fourteen different mezzotints. The son was the more significant artist, known for mezzotints. Vaillant is most remembered today for his mezzotints, rather than his paintings. The first mezzotints by Ludwig von Siegen were made in this way. The Museum also houses several mezzotints and lithograph portraits by him. The mezzotints themselves were worked over an etched background. The first work was illustrated by mezzotints by John Samuelson Templeton. Kipniss stopped making lithographs in 1990 and began to create mezzotints. In 1828, he began to make mezzotints. The Dutch graphic designer M. C. Escher created mathematically inspired woodcuts, lithographs, and mezzotints. In 1993 the woods and fields of northwestern Connecticut provided inspiration for paintings and mezzotints. From about 1836 his output declined, and he exhibited no more mezzotints after 1843. He also made some etchings and mezzotints on similar subjects himself. From 1779 onwards, Dupont he made a series of mezzotints after Gainsborough's portraits.