Rob Walton vs. Sergey Brin
Who will win?
October 27, 1944 (age 79)
Rob Walton, who has a law degree from Columbia University, helped Walmart prepare for its IPO in 1970. His daughter Carrie Walton Penner sits on the board of the Walton Family Foundation, which his parents set up on Walmart's 25th anniversary in 1987.
August 21, 1973 (age 50)
The richest immigrant in America, Brin has been an outspoken critic of Trump's immigration ban. Brin moved to the U.S. from Russia when he was 6 years old in the wake of anti-Semitism against his family.