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Edmund Taylor Whittaker
Whittaker E. T. (Edmund Tayl 1873-1956
Whittaker E. T. (Edmund Taylor)
Whittaker, E. T. & Watson, G. N.
G. N. Watson E. T Whittaker
E T 1873-1956 Whittaker

See also:

Whittaker, E.[Edmund] T.; Watson, G.[George] N.
Whittaker, E.T., Sc.D., F.R.S. And G.N. Watson, Sc.D., F.R.S.