Seitz, Karl(kärl zīts), 1869–1950, Austrian politician. He was a deputy from 1901 and became (1907), with Viktor Adler, co-leader of the socialist group in parliament. He was (1919–20) acting president of Austria. As mayor of ViennaVienna
, Ger. Wien, city and province (1991 pop. 1,539,848), 160 sq mi (414 sq km), capital and largest city of Austria and administrative seat of Lower Austria, NE Austria, on the Danube River.
..... Click the link for more information. (1923–34) he increased social services. When the Social Democrats were suppressed in 1934, he was arrested but was later released on parole. He was imprisoned by the Nazis in 1944. When Austria was restored after World War II, Seitz was elected (1945) to parliament.