Who designed the German bomber which used the SC250 bomb to notable effect ?
SC250 bomb:  It could be carried by almost all German bomber aircraft, and was used to notable effect by the Junkers Ju 87 "Stuka" ("Sturzkampfflugzeug" or dive-bomber). Junkers Ju 87:  Designed by Hermann Pohlmann, it first flew in 1935.
Hermann Pohlmann