14 Facts About Father Chrysanthus

Wilhelmus Egbertus Antonius Janssen, better known as Father Chrysanthus OFMCap, was a Dutch priest and biology teacher.

Father Chrysanthus studied at a minor seminary from 1918 to 1924, and joined the Order of Friars Minor Capuchin on 7 September 1924.

Father Chrysanthus lived at the Capuchin Order monastery in Oosterhout.

Father Chrysanthus began studying Dutch spiders in 1939 after being inspired by Fritz Lock's book, published the same year.

The first edition of Father Chrysanthus's, written for the Koninklijke Nederlandse Natuurhistorische Vereniging's series, was published in 1954.

In 1957, Father Chrysanthus became interested in the spiders of New Guinea after Brother Monulf sent him a collection of spiders he amassed during missionary work in Merauke and Mindiptana in Western New Guinea; Father Chrysanthus had previously met Monulf in Wellerlooi in 1953.

Father Chrysanthus travelled to natural history museums in Frankfurt, Genoa, London, and Paris to consult their collections.

Father Chrysanthus cleared up the taxonomic confusion with the identities and synonymy of C atropos, C saxatilis, and C terrestris; this was published in a 1965 paper in.

Father Chrysanthus attended the first international congress of the International Society of Arachnology in Bonn, Germany, in 1960; he was the only non-German to attend.

Father Chrysanthus was a visiting researcher at the Naturmuseum Senckenberg.

Father Chrysanthus was a member of the Netherlands Entomological Society, having joined in 1946.

The World Spider Catalog includes 77 species which Father Chrysanthus described; as of 2022,64 of them remain valid names.

Father Chrysanthus died on 4 May 1972, at the age of 66, in his monastery in Oosterhout following a long illness.

Father Chrysanthus's books were donated to the university library in Nijmegen.