Přemysl Pitter and Olga Fierzová in Switzerland, 1969

Karla Moravcová at Štiřín Hall, 1945

Lojovice Hall in the 1940s

Jaroslav Krbůšek in 2021

Jaroslav Krbůšek in 2021

Dušan Šimánek in 2021

Karla Moravcová in her apartment in the town of Lovosice in July 2021

Karla Moravcová during the interview in July 2021. Photo Ota Bartovský

Dušan Šimánek in 2021

Jaroslav Kopáček in 1947

Jaroslav Kopáček in 2021

Jaroslav Kopáček (right) with his father (center top), relatives, and neighbours. Hrušov, around1939

Jaroslav Kopáček's father with a model railway he made for his son. Around 1940

Jaroslav Kopáček (centre, the smallest child). Doubrava, 1932

Jaroslav Kopáček. 1947

Jaroslav Kopáček, backside of a photograph which served as an ID. 1947

Group photograph of the graduates of the one-yeard qualification course in Ostrava-Hrušov. Jaroslav Kopáček, bottom, second from left. 1946

With his future wife. Around 1951

The newly wed Mrs. and Mr. Kopáček. 1954

The Karolina coking plant in Ostrava as seen from the Kopáček flat in Poděbradova Street. Around 1962

Jaroslav Kopáček at the beginning of his career - as an assistant lecturer at the Ostrava Technical University. 1957

Appointment of Jaroslav Kopáček as associate professor. 1968

Jaroslav Kopáček (on stage, centre) at a hydraulics and pneumatics conference in the Railwaymen's Club House in Vinohrady (Prague). 1971

Graduation board of Class of '52, Secondary technical school, Ostrava - Vítkovice

Peter as a child before the war