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 Bonnier
Bonnier was the son of Gerhard Bonnier and his wife Ester (née Elkan). Gerhard Bonnier was born in Dresden in 1778 as Gutkind Hirschel and later emigrated to Copenhagen. There he changed his name to Bonnier and founded a publishing house.