<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Akagamuchira BS kubva kuMIT, uye MA uye Ph.D madhigirii kubva kuHarvard University muna 1967.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Akagamuchira BS kubva kuMIT, uye MA uye Ph.D madhigirii kubva kuHarvard University muna 1967, kwaakashanda somubetseri wokutanga wokudzidzisa waCarl Sagan. 