WHEN SOUTH KOREA’S richest man, Lee Kun-hee, died this past October, at 78, rumors immediately began swirling about his art collection, a trove said to include thousands of pieces, and to be worth well more than $1 billion. “The reason many go to the Louvre is to see the Mona Lisa, and the Sistine Chapel, the Creation of Adam,” an anonymous critic who had viewed Lee’s bounty told Reuters, adding that “there are valuable masterpieces that can compare to that in the Lee collection.” Lee’s father, the founder of Samsung, had acquired masterworks of traditional Korean art, and Lee Kun-hee followed in his footsteps, spending more than 30 years as chairman of Samsung, and with his wife, Hong Ra-hee, buying more recent pieces by Claude Monet, Lee Jung-seop, Pablo Picasso,…