The article is devoted to František Čáda. The author describes Čáda´s life dedicated to archivistic, teaching, research and editorial work. She describes ow the changes of the political regime in 1948 affected the life of this outstanding Czech legal historian, a diligent editor and and excellent teacher who was forced to leave the university. Only thanks to their commitment and assistance prof. Vojtíšek later found application in manuscirpts research. Diligent and accurate work brought him recognition not only among law historians even among codicologists. and Medailonek