John Heaviside Clark

John Heaviside Clark (c.1771–1863) was an English aquatint engraver and painter of seascapes and landscapes.

He was christened at St. Peter's church, Sudbury, Suffolk on 5 August 1770, the son of William and Ann Clark.

He was the son of Charles Lockhart (1818–1905), born at Cairnhead near Whithorn, who trained as a grocer in Garlieston before leaving for the United States in 1836.

He was the author of A practical essay on the art of Colouring and Painting Landscapes, with illustrations, published in 1807, and A practical Illustration of Gilpin's Day,[1] with thirty colour plates, based on monochrome studies representing different times of day by William Gilpin, in 1824.

He died in Edinburgh in 1863 aged 91 and an obituary was published in The Atheneum magazine, 10 October 1863 pp. 469–70.