A. (probably Albert) Wimmer was a pretty frequent contributor to Jugend. These are two of his pieces from early issues of the magazine. They’re pretty definitive examples of Art Nouveau/Jugendstil too.

A. Wimmer – Du bist wie eine Blume – Jugend No. 13 (1896)

Here is a nice clean example of a double page spread, with a center crease that doesn’t spoil the image too awfully much. The style here reminds me quite a bit of Kate Greenaway’s work.

A. Wimmer – Jugend – Jugend No. 17 (1896)