Gustav Kalkun
Gustav Kalkun was an Estonian discus thrower. He competed at the 1924 and 1928 Olympics and placed 15th and 10th, respectively. He was selected as the Olympic flag bearer for Estonia in 1928.
Kalkun graduated from school in Riga, Latvia, and then studied physical education in Tartu, Estonia, and Geneva, Switzerland. He fought as a volunteer in World War I and Estonian War of Independence. He later worked as a physical education teacher in Tallinn, Narva and Tartu and acted as a referee and journalist covering athletics and basketball. In 1944, when Soviet troops arrived in Estonia, he immigrated to the United States, where he died in 1972.