G.Bo Leith, Snr. commenced practice in architecture at 408 Collins Street, Melbourne. 1914-18 Practice lapsed during the 1st World War. 1918-20 Firm revived as G.B. & G. Burridge Leith. 1920 G. Burridge Leith accepted position as Chief Architect of the State Savings Bank of Victoria, and the practice again lapsed. Jan. 1925 Practice revived by A.C. Leith, as A.C. Leith & Associates, Architects and Engineers. Approx. 1930 1936 1945 1950 1957 A.C. Leith & Associates took over the practice operated since pre-century days by Robert J. Haddon and William A. Henderson, who practised as Haddon & Henderson, Architects . A.C. Leith joined in partnership by Harold E. Bartlett, and the firm name changed to A.C. Leith & Bartlett, Architects and Engineers. Practice moved from 408 Collins Street to 628 Bourke Street, Melbourne. Practice moved from 628 Bourke Street, Melbourne to present premises. Practice incorporated under the Companies Act into the present practice of Leith & Bartlett pty. Ltd~, directed by Architects, Engine.ers a.nd Town Planners; Directors of which now are:- Arthur C. Leith, M.C.E •. , M~I.C.E •. , M.I.E.Aust., F.R.A.I.A. Harold E. Bartlett, F.R.I.B.A., FoR.A.l.A •. , Dip.Arch.Design. Allan R. Love, F.R.I.B.A., F.R.A.l.A •. , A.M.T.P.I •. , Dip.Arch.Design. Leslie V. Mitchell, F .R.A.l.A •.