Jan Kadlec, photo by his daughter Martina, 2021

Hana Kadlecová, Jan's wife, about 1970

Hana and Jan Kadlec, about 1978

Kadlec family on a trip, about 1979

Jan Kadlec on the left, on the construction site with a colleague, research on bank reinforcement with grass mats, 1984

Jan Kadlec on the right at the construction site with a colleague, 1983

Kadlec family from left Jan, Noemi, Timek, Jana on a trip to the Prosička rock near Sedliště, about 1956

Jan and Hana Kadlec with their daughter Martina, circa 1967

Jan Kadlec having a snack on a log in the forest, circa 1959

With his daughter Martina on a trip to Karlštejn, 1972

Jan Kadlec at home, about 1983

Jan Kadlec on a boat, about 1953

Jan Kadlec with a book, Liberec about 1983

Jan Kadlec on the left with colleagues, grass mats, 1982

Jan Kadlec on the right with a colleague, an example of the result of laying grass mats, 1982

Jan Kadlec on the right with other students from the University of Economic Sciences, circa 1950

Jan Kadlec at the radio, Liberec, about 1978

Jan Kadlec at work at the SVÚT office, Liberec, about 1984

Jan Kadlec at work, about 1975

Jan Kadlec on the right with Professor Bureš on Czechoslovak Television talking about grass mats, 1982

Jan Kadlec in a TV programme about the grass mat research, 1982

Jaromír Kadlec, father of the witness, about 1960

Anna and Jaromír Kadlec, parents of witness, circa 1937

Jiří Kadlec, brother of Jan Kadlec, circa 1950

Pavel Kadlec, brother of Jan Kadlec, about 1945