Ball, G. A., c. 1930, Photograph, B 54281
Staff from the Experimental and Research Department of B.H.P. at the Port Pirie Smelters. Back row (from left): L. B. Haney, J. Arthur, T. Davies, R. J. Hopkins. Front row (from left): C. J. Pain, Miss L. Williams, G. K. Williams (Superintendent), A. Hogg, I. Thomas. [A copy of this photograph appears in the 1977 publication by Frank Green (past BHAS Manager) 'The Port Pirie Smelters', p164.]