Percy Nunn

Sir Thomas Percy Nunn (28 December 1870 – 12 December 1944) was a Professor of Education from 1913 to 1936 at UCL Institute of Education. He was the president of the Aristotelian Society for the academic year 1923–1924 and was knighted in 1930.

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Quotes

Every scheme of education being, at bottom, a practical philosophy, necessarily touches life at every point. Hence any educational aims which are concrete enough to give definite guidance are correlative to ideals of life—and, as ideals of life are eternally at variance, their conflict will be reflected in educational theories.
- Education: Its Data and First Principles. The Modern Educator's Library. Longmans, Green and Company. 1920. p. 2.

... the law of gravitation which Einstein offers as a substitute for Newton's is a law about the metrical properties of space around the "attracting" mass. Since it is to have universal validity, it must be a mathematical formula whose form is preserved when it is transformed from any one system of coordinates to any other; and since each system has its own time-measure as well as its own space-measures, time as well as space must be involved in the metrical properties with which the law deals.
- Relativity and Gravitation: An Elementary Treatise Upon Einstein's Theory. University of London Press, Ltd. 1923. p. 35.