陈在新　字化民。年三十八岁。生于北京。已婚。子二。初毕业于北京汇文大学。得学士学位。任该校教员。宣统二年。以汇文大学公费游美。入哥仑比亚大学。习教育及数学。民国元年。得硕士学位。是年回国。任北京汇文大学教员。通信处。北京崇文门内船板胡同汇文大学。

chen, tsaihsin, h.-born in peking, 1879. married, 1905. studied at methodist university, peking, 1897-1901. a.b., 1901. teacher, methodist university, 1901-9. arrived in america, june, 1910. private support. studied education and mathematics at columbia university, 1910-12. m.a., 1912. returned to china, september, 1912. teacher, methodist university, peking.