He created roles in several world premieres, including Young Columbus in Darius Milhaud's Christophe Colomb.

Born in Vienna,[1] Scheidl was the head cashier of the Austrian Medizinal-Drogen-AG for ten years following his schooling.

He participated in the 1906 Intercalated Games and was active in track and field as high jumper, long-jumper and discus thrower, as swimmer and as gymnast.

[1] He performed there in several world premieres, in 1913 in Ulenspiegel by Walter Braunfels, in 1917 in Siegfried Wagner's An allem ist Hütchen schuld!, and in 1919 in Ture Rangström's Die Kronenbraut (The Crown Bride).

He appeared on stage occasionally, notably as Scarpia in Puccini's Tosca at the Stuttgart Opera in 1955, to celebrate his 75th birthday.