何镜宇先生1922年11月17日出生于北京。他是我国著名的沉积岩石学家。1946年毕业于北京大学理学院地质系,后在察哈尔省和北京地质调查所工作。1950年起在清华大学、北京地质学院、中国地质大学任教授、博士生导师,岩石学国家重点学科学术带头人之一,曾任中国地质学会沉积地质专业委员会委员和中国矿物岩石地球化学学会理事。何先生曾在清华大学地质系协助池际尚教授首次开了沉积岩石学课,随后参加筹建北京地质学院,并担任矿物学和岩石学教学工作,编写了第一本《沉积岩石学》教材,并与张瑞锡先生一起创建了北京地质学院沉积岩实验室。1956～1957年他参加了中国科学院和苏联科学院合组的黑龙 Mr. He Jingyu was born in Beijing on November 17, 1922. He is a famous sedimentary rock scientist in our country. He graduated from the Faculty of Geology of Peking University in 1946 and later worked in Chahar Province and Beijing Geological Survey. Since 1950, he has served as a professor and doctoral tutor at Tsinghua University, Beijing Institute of Geology, China University of Geosciences and one of the academic leaders of national key disciplines of petrology. He was a member of sedimentary geology committee of China Geological Society and director of China Society for Mineral Geochemistry . Mr. Ho worked for the first time in the Department of Geology, Tsinghua University to open a depositional petrology course for Prof. Ikezaki, then participated in the preparation of the Beijing Institute of Geology and served as a professor of mineralogy and petrology. His first book, Sedimentary Petrology, And with Mr. Zhang Ruixi created Beijing Institute of Geology Sedimentary Laboratory. From 1956 to 1957 he participated in the Chinese Academy of Sciences and the Soviet Academy of Sciences combined Black Dragon