Anthropologist follows trail of century-old hobo graffiti Mon., June 20, 2016 Graffiti left by hobos, including A-No 1, are seen under the bridge in Los Angeles on May 16.

In the 1910s, famed hobo Leon Ray Livingston — AKA 'A-No. 1' or 'The Rambler' — made the rounds by highlighting both the hobo lifestyle and the hobo code drawings in interviews and books he ...