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.
Heinrich Albertz
Heinrich Albertz was born in Breslau (present-day Wrocław, Poland), in the Prussian province of Silesia, to the court preacher and consistorial councilor Hugo Albertz and his second wife Elisabeth, née Meinhof. His elder half brother was the Resistance fighter Martin Albertz. Having obtained his baccalaureate ("Abitur") in 1933, he went on to study theology at the universities of Breslau, Halle and Berlin. Under the Nazi regime, he maintained contact to circles of the banned Social Democratic Party. As a member of the Confessing Church opposing the Nazis, he showed solidarity with the imprisoned pastor Martin Niemöller, was arrested several times and finally conscripted into the Wehrmacht in 1941.