Alphonse Mucha, born Alfons Maria Mucha, was Czech Art Noveau painter and decorative artist. He was born in 1860 and died in 1939 at the age of 78. His drawing and painting style was very distinctive in that it often feature women in long, almost Neoclassical dresses.
However, the biggest project in his life was not these drawings and paintings, but rather, The Slav Epic. This is a series of 20 large drawings that featured the history of the Czech and Slavic people.
(As a side note, this is perhaps my favorite print of his and arguably one of the most famous: