Towards the end of his stay in New York, Soedjatmoko enrolled at Harvard's Littauer Center; as, at the time, he was still part of the UN delegation, he commuted between New York and Boston for seven months.
Menjelang akhir waktunya di New York, Soedjatmoko masuk di Littauer Center milik Harvard; karena pada saat itu ia masih merupakan anggota delegasi PBB, ia harus pulang-pergi antara New York dan Boston selama tujuh bulan masa kuliahnya.