Preamble.- Friedrich's birth and family background.- His youth in Vienna.- Student in G?ttingen.- Assistant in Berlin.- Fritz's first marriage.- Life in Berlin.- Emigration to U.K. and U.S.S.R.- Professor in Kharkov.-The beginning of the great trials.- The years of prison.- An overview of the situation in central Europe.- More about Fritz and Konstantin.- A few other physicists' political troubles.- Finally out of prison!.- Shaken by worldwide storms. Fritz's second family.- An outline of the early development of applied nuclear energy in Germany.- From Berlin to Ronneburg.- In G?ttingen again.- Houtermans' third family.- Fritz's fourth family. His departure.- Houtermans' scientific work and influence in Bern.- Why we remember him.- List of Publications by F. G. Houtermans.- Bibliography.