Albert Ludwig Sigesmund Neisser
Neisser was born in the Silesian town of Schweidnitz (now Świdnica, in Poland), the son of a well-known Jewish physician, Dr. Moritz Neisser. After he completed the elementary school in Münsterberg, Neisser enrolled in the St. Maria Magdalena School in Breslau (now Wrocław, in Poland). In this school, he was a contemporary of another great name in the history of medicine, Paul Ehrlich. He obtained the Abitur in 1872.
Albert Gazier
Albert Gazier was born in Valenciennes, Nord, on 16 May 1908.
His family adhered to Jansenism, and has been traced to a peasant family in 1814 in Taverny, to the north of Paris.
His grandfather, Augustin Gazier (1844–1922) was a professor of literature at the Sorbonne who headed the Association of Friends of Port-Royal-des-Champs.
His parents were Félix Gazier (1878–1916) and Victorine Louise Gonet (1885–1965).
His father taught literature at the Lycée de Valenciennes, and was co-editor of a major edition of the works of Pascal.
He had one sister, born a year later.