Samsung Group commemorated the 36th anniversary of the death of Lee Byung-chull, the founder of Korea’s largest conglomerate, in a memorial service Friday. Lee's relatives, including former Leeum Samsung Museum of Art Director Hong ra-hee, Lee's daughter-in-law, and his two granddaughters Lee Boo-jin and Lee Seo-hyun, who are presidents of Hotel Shilla and Samsung C&T, respectively, paid tribute t.