John Johnson Contact Information Assistant Professor Email Email John Johnson johnson.5316@osu.edu Phone Call John Johnson (614) 292-0692 Office MW 648, 231 W 18th Ave Columbus, OH 43210 Google Map Professional Website Areas of Expertise Topological Algebra Algebra in the Stone–Čech compactification Ramsey Theory Education PhD: Howard University (2011) Filed in: Applied Algebraic Topology Columbus