So shockley asked his colleagues , bardeen and brattain , to step in .
因而肖克利让同事巴丁和布拉顿帮忙，希望能更进一步。
Bardeen and brattain demonstrated the transistor device to bell lab officials dec.23 , 1947 . Shockley was reported to have called it " a magnificent christmas present . "
Brattain remained a fellow at bell labs . Bardeen became a professor at the university of illinois in 1951 , and he shared a second nobel prize in physics in 1972 , for the first successful explanation of superconductivity .
