With mother, 1944

Sisters Jindřiška and Iva, 1941

The witness (second right) during protests on the Letná Plain in November 1989

Petr Čech in 1948

Petr Čech during his 80th birthday party, 2024

Sisters Iva and Jindřiška with mother Jindřiška Čechová, 1938

During the ceremony of conferring the FEng. degree, Bethlehem Chapel in Prague, 25 November 2025

Elektroskanzen in Šlovice na Berounce

Residential buildings, a small hydroelectric power station and Elektroskanzen in Šlovice, 1980s

The mill in Šlovice in the early 1920s

The mill in Nezabudice

Witness's photo portrait, 1969

Graduation ceremony at the Czech Technical University, 1969

Grandfather Václav's family, left to right: son František, the witness's father, grandfather, and grandmother; middle row: daughter Julie and son Václav; bottom row: son Karel and the daughters of Vojta Beneš the brother of President Edvard Beneš, early 1930s

With partner Katka in Bethlehem Chapel, Prague, 25 November 2025

With grandson Petr, 2025

With son Petr, Bethlehem Chapel, Prague, 25 November 2025

Witness's photo portrait, 1956

With parents, graduation ceremony, 1969

Witness's twin sons Petr and Pavel, 1985

Witness's photo portrait, 2024

Witness (left) with partner Katka, 2001

With son Petr's family (left), Vlasta the mother of the sons, and son Pavel's family (right), Šlovice 2000

Mill in Šlovice in a period photo

Chess tournament against the Transgas selection; the witness is at front right, sons Petr and Pavel in the back right. They won the match. 1984