Law rarely exhibited outside of the west of Scotland, but, during a long career based on private commissions, he produced a significant body of work.
[2] In 1896, Law was awarded a travelling scholarship and spent six months studying in Paris, where he took lessons from Robert Henri and attended classes at the Académie Delécluse.
[3][4] Law returned to Kilmarnock and began a successful career accepting private portrait commissions.
[6] Law exhibited regularly at the Royal Scottish Academy, at the Glasgow Institute of Fine Art and at the Paris Salon.
[5] A portrait painted by Law of his fellow Scot and artist Ancell Stronach was lost in the fire in the Mackintosh Building at the Glasgow School of Art on 23 May 2014.