Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
Richard Alfred Wrigley (1869-1939)
1939 Obituary 
"RICHARD ALFRED WRIGLEY was born in Blackburn in 1869, and attended the Blackburn Science and Art School from 1882 to 1890. During this period he served his apprenticeship in the shops and drawing office of Messrs. W. and J. Yates (afterwards Messrs. Yates and Thom, Ltd.), Blackburn. He then continued as a draughtsman with this firm for a further year before working, in this capacity, for various other firms, including Messrs. Hopper and Sons, Moscow.
In 1896 he rejoined Messrs. Yates and Thom, Ltd., as chief draughtsman, and he held this post until the firm closed down their works in 1927. He then started practice on his own account as a consulting and mechanical engineer, He was particularly interested in questions of coal economy and full utilization of steam in power plants, and was responsible among other things for the design of engines for cotton mills and for generating electric current. He died on 14th January 1939, He was elected a Member of the Institution in 1928."