#325 Larry Gagosian (Billionaire Art Dealer) #324 John D. Rockefeller (38 Letters Rockefeller Wrote to His Son) The Power of a Newsletter A Business State of Mind From Obsession to Profession #323 Jimmy Buffett Boeing: Turbulent Times #322 Herb Kelleher (Southwest Airlines) Building and Investing in Lattice #321 Working with Jeff Bezos