<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Pakupedzisira, John Crichton akaenda kukoreji zvichida MIT, akadzidza cosmology uye astrophysics, uye akagamuchira Ph.D. mu theoretical physics.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Pakupedzisira, John Crichton akaenda kuyunivhesiti zvichida MIT uye akazviwana amene achitevera mumakwara ababa vake sezvaakadzidza cosmology uye astrophysics, kuwana Ph.D. uye, neshamwari yake DK, kugadzira dzidziso yake amene pamusoro pesimba rinobetsera kufambisa zvinhu. 