Jaroslav Šimánek at Technical auxiliary battalion, Horní Suchá, 1951

Jaroslav Šimánek with his relative on Hus Square, Štětí, 1935

Jaroslav Šimánek (in the middle), Batelov, 1937.

Jaroslav Šimánek with class, Batelov, 1936

Martin Palouš in 2020

Martin Palouš in 2020

Filming, Hradec Králové, 13.7. 2022

Filming, Hradec Králové, 13.7. 2022

Filming, Hradec Králové, 13.7. 2022

Witness in the Giant Mountains, 1970

The witness with his mom, Christmas 1949

Field research with the Faculty of Natural Sciences of Charles University in the Giant Mountains, 1970 - from the left: prof. Jeník, Dr. Větvička, Dana Fišerová, witness

The witness on a field research in Belize, 2010

The witness with an armed guard at Nanga Parbat, Himalayas

The witness at his residence in Davis, California

Marcel Rejmánek at a workshop organized by the Czech Botanical Society on the occasion of Professor Emil Hadač's 90th birthday, Prague 2004

The witness on a field research in South Africa, 2005

Marcel Rejmánek (on the right) and his collaborator Dave Richardson (in the middle) at a ceremony to present a chapter to the book "Invasive Alien Species, A New Synthesis" at Stanford University in July 2001, senior editor of the volume Hal Mooney (on the left)

Alexandr Hrabálek in 2019

Alexandr Hrabálek in 2019

Karel Soukup in 2022

Karel Soukup in 1955

Karel Soukup with his mum Emilie, January 1938

Karel Soukup with his older brother Vladimír and mother Emilie, Christmas 1938

Karel Soukup (fourth from left) at a Scout camp, 1946