Born atRotterdam on 26 April 1747, he was the son of an English merchant living in Holland;Francis Twiss the writer was his younger brother. With an ample fortune, he travelled, and visited Scotland. He then journeyed through Holland, Belgium, France, Switzerland, Italy, Germany, and Bohemia till 1770, when he returned to England. In 1772 he went to Spain and Portugal, returning the following year. He was elected a fellow of theRoyal Society in 1774; but left it in 1794. In 1775 he visited Ireland.[1]
Subsequently, Twiss concentrated on literature and the fine arts. A project to manufacture paper lost him money. He revisited France during theFrench Revolution, and wrote on his experiences.[1]
Travels through Portugal and Spain in 1772 and 1773, London, 1775; the volume contains a print of "Our Lady of the Fish", drawn byGiovanni Battista Cipriani and engraved byFrancesco Bartolozzi. It appeared the same year in Dublin, and French and German editions were issued the following year.
Tour in Ireland in 1775, London, 1776, several Irish editions. In the appendix he states he had taken 16 sea voyages and travelled altogether about 27,000 miles. The book was disliked in Ireland. It provokedWilliam Preston to wax satirical inAn Heroic Epistle by Donna Teresa Pinna y Ruiz of Murcia, supposedly known to Twiss, andAn Heroic Answer from R. Twiss, esq., to Donna Teresa, Dublin, 1776. "Twiss" became or was proposed asrhyming slang for "piss" orchamber pot.[2]
A Trip to Paris in July and August 1792, London, 1793, also issued in two vols. in Dublin.
Chess, published anonymously, London, 1787–89, 2 vols.