Inside the 60-year friendship of Warren Buffett and Charlie Munger, who both started out working in the same grocery store

• Warren Buffett and Charlie Munger enjoyed an over 60-year friendship.
• A mutual contact first introduced the pair in their shared hometown of Omaha in 1959.
• Munger's family announced the 99-year-old died on Tuesday.

Warren Buffett and Charlie Munger's friendship goes back 60 years.

99-year-old Munger, the investing legend who led Berkshire Hathaway as vice chairman alongside Buffett, died on Tuesday in a California hospital.