From 1843 to 1845, he was a student at the Academy of Fine Arts, Prague, where his primary teacher was the genre painter, Christian Ruben.
For twenty years, Seidan was also a Professor of modeling at the Czech Technical University in Prague.
[1] He was a member of Umělecká beseda, Krasoumná jednota [cs] (a society for the promotion of the arts), and the Association of St.Luke, a painter's guild.
[1] His most familiar statue is a memorial to the philosopher and historian, Josef František Smetana [cs], in Plzeň; notable for its lack of idealization.
[2] Also worth mentioning are his designs for the Palacký Bridge, which were executed by Myslbek and are now on the grounds at Vyšehrad.