胡乾善出生于1911年4月,河南省通许县人.九岁随其父到北京居住.1929年在北京师大附中高中毕业后考入清华大学物理系.当时一些学识渊博、知名的物理学家如吴有训、周培源、萨本栋等教授都在该校执教.1933年他在清华大学物理系毕业后留校作研究生,次年考取河南省官费留英,于当年秋进入英国 He was born in Tongxu County, Henan Province in April 1911. He lived with his father in Beijing at the age of 9. He was admitted to the Department of Physics of Tsinghua University after graduating from Beijing Normal University High School in 1929. At that time, some well-known and well-known physicists Such as Wu Youxun, Zhou Peiyuan, Sa Ben Dong and other professors are teaching at the school .1933 years after graduating from Tsinghua University Physics Department, he stayed in school as a graduate student, the following year to obtain the official fee to stay in Henan Province, in the fall that year into the United Kingdom