Below you can find the It's the last name of walter & arthur who partnered up with william harley in 1903 Jeopardy Words Answer. The answer to It's the last name of walter & arthur who partnered up with william harley in 1903 has 8 letters. This clue belongs to the Brothers in business category and is part of Jeopardy Word Level 2308. If you scroll near the bottom you will find other clues and answers part of level 2308