Paul Marie Alfred Lebeau (December 19, 1868 – 1959) was a French chemist. He studied at the elite École supérieure de physique
et de chimie industrielles de la ville de Paris (ESPCI). Together with his doctoral advisor Henri Moissan he was working on
fluorine chemistry discovering several new compounds, like bromine trifluoride, oxygen difluoride, selenium tetrafluoride
and sulfur hexafluoride. In 1899 he was able to obtain pure beryllium my electrolysis sodium fluoroberyllate (Na2).
