Harry Miller Lydenberg

Harry Miller Lydenberg (1874-1960) was an American librarian, author, and book conservationist who had a decades-long career at the New York Public Library, eventually serving as its director. He was recognized as one of the 100 most important library innovators of the 20th century and served as an American liaison to the international library community. His written works documented library reference, collection, and conservation practices.

Nov 18, 1874 Wikipedia
library science book conservation bibliography