Ernest R. Kroeger (August 10, 1862 – April 7, 1934) was an American composer. He is mainly known for the pedagogical works he composed for piano; he also taught music in St. Louis, Missouri. Today his papers are held at the Missouri Historical Society.
Ernest R. Kroeger taught piano while he was in St. Louis, Missouri.
The context states that he was mostly known for his pedagogical works on the piano. It is not stated that is all he taught or created.