UPDATED: John Walton, 2nd Son of Wal-Mart Founder, Dies in Plane Crash by Arkansas Business staff Posted 6/28/2005 02:23 pm Updated 4 years ago John Walton, the second son of Wal-Mart Stores Inc. founder Sam Walton and member of the retail giant's board of directors, dies in plane crash in Wyoming Monday afternoon. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.