A. H. Tammsaare, Estonian author (died 1940)

Anton Hansen, better known by his pseudonym A. H. Tammsaare and its variants, was an Estonian writer whose pentalogy Truth and Justice is considered one of the major works of Estonian literature and "The Estonian Novel".

January 30 is the 30th day of the year in the Gregorian calendar; 335 days remain until the end of the year.