About Mamo Wolde
Degaga "Mamo" Wolde was an Ethiopian long-distance runner who competed in track, cross-country, and road running events. He was the winner of the marathon at the 1968 Summer Olympics. He did not compete in the 1960 Summer Olympics, when Abebe Bikila became the first Ethiopian to win a gold medal. He placed fourth in the 10,000 m at the 1964 Summer Olympics, which was won by Billy Mills of the United States in one of the biggest upsets in the history of Olympic competition. His younger brother, Demissie Wolde (b. 8 March 1937), also became an international distance running star.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.