Karel Wellner was a Czech graphic artist, painter, cartoonist, illustrator, art historian and critic. He was also a secondary school teacher and professor.

He graduated from high school in Prague, and then studied industrial engineering and art in Prague. He moved to Olomouc

Olomouc

Olomouc is a city in Moravia, in the east of the Czech Republic. The city is located on the Morava river and is the ecclesiastical metropolis and historical capital city of Moravia. Nowadays, it is an administrative centre of the Olomouc Region and sixth largest city in the Czech Republic...

in 1902 and was active in illustrating professional literature and as an art historian. Some of his works were published in Germany. As a painter he took part in exhibitions in Prague and with the Association of Visual Artists in Moravia. He was active mainly in graphic art. He has published several lithographs and etchings of the old Olomouc.