Pedzisa mutsara unotevera: Walker akatanga kambani yebhangi neyokudyara inonzi G.H. Walker &amp; Co. muna 1900. Mhuri yake yakanga yagadzira ukama hwakawanda hwebhangi hwenyika dzakawanda, uye akabatsira kuronga
1904 St. Louis World's Fair. Walker aizivikanwa sesimba riri shure kweDemocratic Party yomunzvimbomo.