"The writing career is not a romantic one. The writer's life may be colorful, but his work itself is rather drab." My story (ed. 1931) Mary Roberts Rinehart was born #OTD in 1876. Rinehart published her first mystery novel The Circular Staircase in 1908, which introduced the "had I but known" narrative style. via @npub1kvnp...hm73 Books by Mary Roberts Rinehart at PG:

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Nicolas Malebranche was born #OTD in 1638. Although better known for his philosophical work, Malebranche made some notable contributions to physics, working within a broadly Cartesian framework but nevertheless prepared to depart from Descartes where necessary. In addition, Malebranche wrote on the laws of motion, a topic he discussed extensively with Leibniz. via @npub1kvnp...hm73 #books #science

Gregorio Ricci-Curbastro died #OTD in 1925. He is most famous as the discoverer of tensor calculus which then became the "lingua franca" of the subsequent theory of Albert Einstein's general relativity, as is shown in a letter written by Albert Einstein to Ricci-Curbastro's nephew. via @npub1kvnp...hm73 #science #mathematics