By profession a teacher for physics, retired since 2015. Life dates from the note on the author in Spektrum der Wissenschaft #2.26 (it's not stated whether the author was born in East or in West Berlin).
By profession a teacher for physics, retired since 2015. Life dates from the note on the author in Spektrum der Wissenschaft #2.26 (it's not stated whether the author was born in East or in West Berlin).