Cavalier-Smith's system of classification scheme they reintroduced the classification with the division of prokaryotes superkingdom into two kingdoms, Bacteria (=Eubacteria) and Archaea (=Archaebacteria). This is based on the consensus in the Taxonomic Outline of Bacteria and Archaea (TOBA) and the Catalogue of Life. Cavalier-Smith's system of classification The classification system of life introduced by British zoologist Thomas Cavalier-Smith involves systematic arrangements of all life forms on earth. Following and improving the classification systems introduced by Carl Linnaeus, Ernst Haeckel, Robert Whittaker, and Carl Woese, Cavalier-Smith's classification attempts to incorporate the latest developments in taxonomy. His classification has been a major foundation in modern taxonomy,
Carl Linnaeus the Younger head of Practical Medicine at Uppsala. His promotion to professor—without taking exams or defending a thesis—caused resentment among his colleagues. Linnaeus' work was modest in comparison to that of his father. His best-known work is the "Supplementum Plantarum systematis vegetabilium" of 1781, which contains botanical descriptions by the elder Linnaeus and his colleagues, edited and with additions by the son. He took a two-year trip to England, France, The Netherlands and Denmark between 1781-1783. In London he had laid the ground for sickness (jaundice), and shortly after his return, he suffered the fever and stroke from which he died at