Polish entomologist (1739-1796).
Jan Krzysztof Kluk (September 13, 1739 – July 2, 1796) was a Polish naturalist agronomist and entomologist. He was the son of Jan Krzysztof Adrian and Marianna Elżbieta. His father, an impoverished nobleman, was a building contractor and architect, mainly of churches. Jan Krzysztof Kluk went to school in Warsaw, later in Drohiczyn, and finally in the Piarists school in Łuków. In 1763 he finished the Missionary seminary in the Holy Cross Church, Warsaw. From 1763–67 he was a domestic chaplain attached to the noble household of Tomasz Ossoliński, the starosta of Nur. From 1767–70 he was vicar o