In 1890 he entered the Royal Academy School, where he gained a free medal, and afterward a scholarship in the Institution of British Artists.
He showed his interest in Jewish matters by his drawings A Difficult Passage in the Talmud and The Blessing of Sabbath Lights, as well as by his Early Morning Prayer in the Synagogue.
His older brother Jacob Snowman was a London medical doctor and prominent mohel, who circumcised Charles, Prince of Wales and possibly other members of the British Royal Family.
[2] Out of all his paintings, which were devoted mainly to portraits and domestic views, Children's Voices (1901) attracted a great deal of attention, and The Bride (1904) was very popular at the time.
[4] The outbreak of the Second World War found Snowman on a visit to England and his failing health prevented him from returning to his home in Jerusalem.