 Further Reading. Much more detail about Reichenbach’s life can be found in the excellent biography by Gerner (1997). Volume I of Reichenbach (1978) contains memories and comments from many of Reichenbach’s friends, colleagues, students and relatives. Further biographical detail can be found in Salmon’s introduction (translated to German by Maria Reichenbach) to volume 1 of Reichenbach (1977), in Salmon (1979), in Maria Reichenbach (1994), in Padovani (2008) and Kamlah (2013), while The Hans Reichenbach Collection (linked into the Other Internet Resources section below) at the University of Pittsburgh contains a wealth of autobiographical notes, in particular references HR 014-33-08 and HR 044-06-21 to HR 044-06-26. Hoffman (2007) and Milkov (2013) describe the historical developments of the Berlin Group and Irzik (2011) provides the same for Reichenbach’s move to Istanbul. Verhaegh (2020) traces in detail Reichenbach’s move to Istanbul and the decisions and hurdles that eventually took him to the U.S.