Two alumni of Zhengzhou Universityare includedin Guide2Research's recent2021 ranking oftop 1,000 computer scientists in the world.Jiawei Han,froma 1978class, topsagainthe list of Chinese scientistsandranksfourth in the world,the onlyChinese scientistin the world’s top five;Hongjiang Zhuang, froma1977 class,topsagainthe listof China Mainland scientistsand ranks41st in the world.