Émile Bertrand [SEP] date of birth
Émile Bertrand
Émile Bertrand (1844–1909) was a French mineralogist, in honour of whom bertrandite was named by Alexis Damour. He also gave his name to the "Bertrand lens" or phase telescope.
He studied at the Ecole des Mines in Paris and was a co-founder of the "Société française de Minéralogie". He wrote a book on the application of microscopy to mineralogical studies, ""De l'Application du microscope à l'étude de la minéralogie"" (1878); published a translation of Ernst Mach
, Philip Armstrong Elliott (1859–1936), and his wife Sarah Sauvé (1857–1899), on May 11, 1915 in Montreal at the original Saint-Louis-de-France Roman Catholic Church on Roy Street at Laval Avenue which was later destroyed by fire in 1933. They would have four children, their first child dying at birth. Charles-Émile Trudeau was considered gregarious, boisterous and extravagant.
Trudeau, a lawyer by training, practised for 10 years with Ernest Bertrand, at that time the Senior Crown Prosecutor