一家三代留学人耕耘在不同领域，又都分别取得令人瞩目的成绩者实为罕见。 出生于１８８２年的我国近代著名水利科学家李仪祉和他的儿孙却写下了这样的历史，而且祖孙三代都同清华有着历史渊源。 为民修渠的李仪祉 清朝末年，李仪祉离开老家陕西省蒲城县，一路坐着骡车，走了一 It is rare for a third generation of overseas Chinese to work hard in different fields and achieve remarkable achievements respectively. Born in 1882, Li Yizhi, a well-known modern Chinese water conservancy scientist, and his children and grandchildren wrote such a history, and both his ancestors and grandchildren have historical roots with Tsinghua University. For the people to repair the canal of Li Yizhi Qing Dynasty, Li Yizhi left his hometown of Pucheng County, Shaanxi Province, all the way to sit mule car, took a