A smile is a good as a rest. Good!
The Ninety-Ninth Commencement took place in 1990. Ndesandjo is listed on page 84 of the 1990 commencement brochure. The top of page 85 is included for reference.
Thanks to one of our intrepid researchers, we now know for certain when Mark Okoth Ndesandjo, the half-brother (?) of Barack Obama, was awarded a Master of Science in Physics from Stanford University: 1990.
It was recently revealed that Ndesandjo had been suspended from the university by Professor Steven Chu, who coincidentally (or not) later on became Secretary of Energy in Ndesandjos half-brothers (?) administration.
Heres another coincidence for you. Apparently Ndesandjos half-brother (?) Barrys babysitters son (follow that?) graduated from Stanford with a Bachelor of Arts in Anthropology, only the year before Ndesandjo got his Master of Science in Physics: