The symposium speakers gather with Garniss Curtis, who performed radiometric dating on Olduvai Gorge. (L to R: Yoel Rak, Marta Lahr, Garniss Curtis, Frank Brown, Meave Leakey, Richard Leakey). Photo credit: Steve Boles.

The symposium speakers gather with Garniss Curtis, who performed radiometric dating on Olduvai Gorge. (L to R: Yoel Rak, Marta Lahr, Garniss Curtis, Frank Brown, Meave Leakey, Richard Leakey). Photo credit: Steve Boles.Scott Bjelland2011-10-12T04:31:43+03:00