Complex sentence: David Morecraft pioneered a resurgence in the building of authentic steam calliopes of the Thomas J. Nichol style beginning in 1985 in Peru, Indiana and is still in business today, the last commercial authentic steam calliope builder in the world.
Split into simpler sentences: David Morecraft pioneered a resurgence in the building of authentic steam calliopes of the Thomas J. Nichol style beginning in 1985 in Peru, Indiana. He is still in business today--the last commercial authentic steam calliope builder in the world.