10th speaker: Sophia Danenberg. 1st African-American, 1st black woman to summit @MtEverest_ -- http://t.co/Ow6iKl0BHl http://t.co/0OudTfkc14 — TEDxUChicago (@TEDxUChicago) 1427305801.0
10th speaker: Sophia Danenberg. 1st African-American, 1st black woman to summit @MtEverest_ -- http://t.co/Ow6iKl0BHl http://t.co/0OudTfkc14