Versatile artist, teacher and gallery director, born in Ireland, who studied at Glasgow School of Art, 1953–7, attending Jordanhill Training College, with a scholarship to Italy, in 1958. Armstrong taught art, 1958–60; engaged in full-time studio work as artist and designer, 1960–7; was part-time director of various galleries, 1967–79, then became a full-time painter. Armstrong exhibited with NEAC, Paisley Institute, RA, Royal Glasgow Institute of the Fine Arts and Flying Colours Gallery. Studied and worked in the Caribbean, France, Italy, the Sandwich Islands and America, with over a dozen solo shows in Britain and abroad. Portraits included the Earl and Countess of Stormont; ecclesiastical commissions a resurrection mural and Stations of the Cross; and corporate commissions included BBC Television; British Petroleum; Scottish Television; and the Royal Automobile Club.