Most of Dr.Nagai's income went for the benefit
of poor children and people suffering from atomic bomb disease.
Dr.Nagai lid the effort to establish a private library for these chilren.Called Uchira no Honbako("Our Book Case"),the library provided a place for children to play and read books. Dr.Nagai's philosophy of "Love others as you love yourself" affected many people and resulted in contributions from as far away as Brazil.
The library was built through numerous donations.And now part of Nagai Memorial Museum and is still used daily by local children.