User:Yoyology
Yoyology is Karl G. Siewert, an academic librarian at the University of Central Oklahoma in Edmond, OK. He also plays with yo-yos and knits in his spare time.
Yoyology is Karl G. Siewert, an academic librarian at the University of Central Oklahoma in Edmond, OK. He also plays with yo-yos and knits in his spare time.