Zdeněk Zerzáň in Moscow in 1956

Zdeněk Zerzáň in Poland in 1959

Zdeněk Zerzáň in 2021

Photo of Zdeněk Zerzáň

Zdeněk Zerzáň in 2022

Zdeněk Zerzáň in 2022

Zdeněk Zerzáň in 2022

Zdeněk Zerzáň in 2022

Otakar Mach in 2019

Otakar Mach with his mother in Poděbrady in 1937

Otakar Mach tells his life story to children as part of the Stories of Our Neighbors project

Otakar Mach with students during the Stories of Our Neighbors project

Otakar Mach during the interview with students

Otakar Mach in 2021

Otakar Mach in 2021

Wedding photo of the witness's parents, Prague 1929

Cardboard factory of Otakar Mach Sr. after nationalization, before demolition, ca. 1950

Viral particles after centrifugation, ca. 1966

Cardboard factory that belonged to the witness's father - Hrabačov, 1934

A grain warehouse was built on the site of a cardboard factory after nationalisation, Hrabačov, ca. 2012

Second from the right, the mother of the witness, just before the nationalization of the cardboard factory, with employees, Hrabačov, ca. 1950

Otakar in the front row, fifth from the back, during the ceremonial parade on the square in Jilemnice, 15 July 1945

Otakar in the middle with his daughters Ludmila (left) and Helena and his parents. 1967 - Benecko

Witness's parents in Benecko, 1960

On the far right the wife of the witness with her parents and daughters