On March sixth (DingWei years), April 18, 1907, the Finnish mathematician Al Firth was born in Helsinki.

1907 4, 18, was born in Helsinki, Finland mathematician Al Firth Alcatel Firth was born in Helsinki "target =" _blank "> Alcatel Firth coverage of the theory was published in 1935, shocked the entire mathematical community, awarded for the first time in September 1936 and therefore won the Fields Medal, at the age of 29 years old. served as the University of Helsinki (1938 - 1944), the University of Zurich (1944] 946). Harvard University (1916-1978), Professor.