- Born in Glasgow on 7 June 1868, Mackintosh was apprenticed to a local architect John Hutchison, and then in 1889 he transferred to the larger, more established city practice of Honeyman and Keppie.

- He designed the Glasgow Herald Building (1894) and the Martyr's Public School (1895).

- In 1896 Mackintosh gained his most substantial commission, to design a new building for the Glasgow School of Art. This was to be his masterwork. The building was constructed in two phases, 1897-99 and 1907-09. Most dramatic of all the interiors was the new Library, which was destroyed in a fire last year.

- He designed The Hill House in Helensburgh (1904) and Windyhill (1900).

- The Glasgow businesswoman Catherine (Kate) Cranston was an important patron and he designed a series of tearooms interiors between 1896-1917.

- He entered the competition to design Liverpool Cathedral (1902) but it was was rejected and his design for Scotland Street School (1906) in Glasgow was to be his last public commission.

- In an attempt to resurrect his career, Mackintosh with his wife Margaret Macdonald moved to London.

- He moved to the south of France in 1923 and the last years of his life were spent painting.

- He died in London on 10 December 1928.