William Froggatt (1852-1915) of Newton, Chambers and Co
1915 Obituary 
WILLIAM FROGGATT, born on the 23rd September, 1852, at Chapeltown, near Sheffield, died there on the 7th March, 1915.
He served his apprenticeship at the Thorncliffe Ironworks of Messrs. Newton, Chambers and Company, under the late Mr. John Depledge, whom he subsequently succeeded as Chief Engineer of the works. He retained this position until his death, having served the firm continuously for a period of 47 years. During this period he carried out extensive alterations and improvements in workshops and machinery, and superintended the design and execution of all work carried out by the firm.
Mr. Froggatt was elected an Associate Member of the Institution on the 2nd December, 1884