xi shun (bao xishun) (china, born in 1951) is in the guinness book of world records as the world's tallest living man. he is tall. the last time he was measured was on january 15 of 2005. on august 7, 2007 leonid stadnyk was measuring and was found to be taller than him. in september 2005 he made his first trip outside of china to london to visit guinness world records.