Butterfly break by Ruby Wallau March 10, 2020 Share Facebook LinkedIn Twitter Graffiti created by Jef Aerosol, an internationally renowned stencil artist, keeps a student company on the steps of the Richardson Plaza clock tower. Photo by Ruby Wallau/Northeastern University Graffiti created by Jef Aerosol, an internationally renowned stencil artist, keeps a student company on the steps of the Richardson Plaza clock tower. Photo by Ruby Wallau/Northeastern University