Technical deputy of Galena in Opava PhMr. Jiří Spáčil, 1980s

Together with colleagues Mojczek and Vícha in their laboratory in 1981. Ladislav Cvak is standing in the middle

Photograph of Ladislav Cvak working in the laboratory of Galena in Opava, cut out from a newspaper, 1980s

Photograph of Ladislav Cvak with ergot from the early 1980s, which was used on the front page of the periodical Mladý svět. An article from this journal on ergot alkaloids is in the supplementary materials

In the laboratory of Galena in Opava, 1980s

The first time on an excursion abroad in Germany in 1989. Ladislav Cvak (with moustache) standing by a concrete bicycle

Parents of Ladislav Cvak - Ladislav and Miluše Cvak, 1990s

Postcard from Budkov, 1990s

Postcard from Budkov, 1990s

At the 1992 World Conference in Basel. From left: Josef Stuchlík, Ladislav Cvak, Lubomír Markovič, Dr. Protiva and his wife. Dr. Protiva was an important figure in drug research at the Research Institute of Pharmacy and Drugs in Prague and one of the founders of psychopharmaceutical chemistry.

Lecturer Ladislav Cvak at the faculty in Hradec Králové in the late 1990s

Lecturer Ladislav Cvak at the faculty in Hradec Králové in the late 1990s

Ladislav Cvak in his study in 2000

Commercially for the first time in the USA. Head of Sales František Šenk in red vest and Miroslav Bořecký in 2004

Ladislav Cvak receives the award for creativity from the President of Teva in Tel Aviv in 2008

From left Dr. Alexandr Jegorov, Dr. Pavel Blatný and ing. Ladislav Cvak as the three honorees in Tel Aviv in 2008

Ladislav Cvak at a conference in 2010

Excursions in the laboratory of Teva in Opava in 2013

Marie Sirkovská's brother Vladimír Melnik, 1950s

Marie and Vojtěch Sirkovský, wedding photographs, 1972

Wedding of son Pavel, pictured with his wife Olinka, 1973

From left: son of Marie Sirkovská from her first marriage Pavel Beneš and her stepson Luboš Sirkovský, 1970s

Wedding of son Pavel Beneš, 1973

Wedding of Marie Sirkovská's adopted son Slávek, Šumperk

Maria Sirkovská's children Věra and Pavel Beneš, 1960s