. . "1901Z"^^ . . "1831Z"^^ . "1831-04-28Z"^^ . "1901-07-04Z"^^ . . "Peter Guthrie Tait FRSE (28 April 1831 \u2013 4 July 1901) was a Scottish mathematical physicist, best known for the energy physics textbook Treatise on Natural Philosophy, which he co-wrote with Kelvin, and his early investigations into knot theory, which contributed to the eventual formation of topology as a mathematical discipline. His name is known in graph theory mainly for Tait's conjecture."@en . . . . "Peter Guthrie Tait"@en . "British mathematician" . "Tait, Peter Guthrie"@en . . .