1849), was elected in the universal curia of Jihlava (Iglau
), Moravia for the Czech People's party.
Lizst, more charitable than most, called him "our spiritual elder brother," though he rather less kindly described his elder brother's playing as "affectation of the first rank." Visser himself seems to have been the source of much confusion about his origins, saying sometimes that he was from Brno, at other times from Graz, still others from Telc or Iglau
. "The French call me a German," he is reported to have told the Countess Koeniggratz, "and the Germans call me a Jew, but in truth, dear lady, I belong solely to the realm of music."
Sommer was born in Iglau
and hence belongs to the generation of German-speaking authors from Moravia, which produced Ernst Weiss, Oskar Jellinek, Louis Furnberg, Elisabeth Janstein, and Ludwig Winder, of whom the latter two were also to end their days in exile in England.