Ukraine's President Viktor Yushchenko, left, shakes hands with Leonid Stadnik, 36, believed to be the world's tallest man at 2.57 meters tall (8-foot-5.5) during their meeting at a hospital where Stadnik is undergoing medical tests in Ukraine's capital Kiev, in this Wednesday, Jan. 18, 2006, file photo. Stadnik is the tallest person in the world, beating a Chinese man who previously held the title, Guinness World Records said Wednesday Aug. 8, 2007. Stadnik's growth spurt started at age 14 after a brain operation apparently stimulated his pituitary gland. He lives with his mother, Halyna, taking care of the family's house and garden. [AP]