Per Teodor Cleve (10 February 1840 – 18 June 1905) was a Swedish chemist, biologist, mineralogist and oceanographer. He is best known for his discovery...

discovery of the element was made in 1895 by chemists Sir William Ramsay, Per Teodor Cleve, and Nils Abraham Langlet, who found helium emanating from the uranium...

substituted by rare-earth elements. It was named after Swedish chemist Per Teodor Cleve. Cleveite was the first known terrestrial source of helium, which is...

biological role and is not particularly toxic. In 1879, the Swedish chemist Per Teodor Cleve separated two previously unknown components, which he called holmia...

the only faculty member who could have supervised him in chemistry, Per Teodor Cleve, so he left to study at the Physical Institute of the Swedish Academy...

isolated in 1879, from an impure sample of erbia, by Swedish chemist Per Teodor Cleve, who named it thulia. Thulium(III) oxide has been made in the laboratory...

to Leonhard Euler. He married chemist Astrid Cleve, the daughter of the Uppsala chemist Per Teodor Cleve. In 1970, their son Ulf von Euler, was awarded...

Astrid Cleve and sister of Nobel Prize laureate in Physiology or Medicine Ulf von Euler. She was also the great-granddaughter of Per Teodor Cleve. She was...

Langlet (1872–1960). From 1886 to 1896, he studied chemistry under Per Teodor Cleve (1840–1905) at Uppsala University, where he became a philosophy graduate...

Scandium oxide was isolated in late 1879 by Lars Fredrick Nilson; Per Teodor Cleve recognized the correspondence and notified Mendeleev late in that year...