Categories General Euler’s Graffiti Post author By Brent Logan Post date July 7, 2013 No Comments on Euler’s Graffiti Apparently, Euler is alive and well and leaving his identity in Portland’s sidewalks. Tags Euler, graffiti, NW 23rd, PDX, portland By Brent Logan Engineer. Lawyer. WordPress geek. Longboarder. Blood donor. Photographer. Ally. More about Brent. View Archive → ← Independence Day 2013 → Why is President X So _____? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.