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Stephen Butler Cottrell (1865-1933)
1933 Obituary 
STEPHEN BUTLER COTTRELL had been a Member of the Institution since 1896.
He was born in London in 1865 and was first apprenticed in 1882 to Mr. R. E. Wilson and later to Sir Douglas Fox, M.I.Mech.E., and Mr. Francis Fox. During the latter period Mr. Cottrell was appointed assistant engineer on the construction of the Scarborough and Whitby railway. He subsequently became resident engineer on various contracts carried out by his firm.
From 1889 to 1892 he was resident engineer of the Liverpool Overhead Railway and in 1892 was appointed chief engineer of the railway, which position he held until 1909.
Mr. Cottrell was frequently engaged as consultant on electric traction schemes, and gave evidence before many parliamentary committees.
During 1896-7 he was President of the Liverpool Engineering Society and he was also a member of the Institution of Civil Engineers.
His death occurred on 5th March 1933.