The Majolikahouse in Vienna is built from <a href="https://en.wikipedia.org/wiki/Otto_Wagner" class="extiw" title="en:Otto Wagner">Otto Wagner</a>. The tiles with floral secessionistic Design are from Alois Ludwig.
<a href="//commons.wikimedia.org/wiki/User:Haeferl" title="User:Haeferl">Haeferl</a>
CC BY-SA 3.0 at
<span class="int-own-work" lang="en">Own work</span>