Rudolf Julius Emanuel Mayer

Definition and stakes

Portrait of Henri Poincaré Henri Poincaré,  Science and Hypothesis (1905)

“ In formulating a general, simple, and formal law, based on a comparatively small number of not altogether consistent experiments, we have only obeyed a necessity from which the human mind cannot free itself. But there is something more, and that is why I dwell on this topic. No one doubts that Mayer's principle is not called upon to survive all the particular laws from which it was deduced, in the same way that Newton's law has survived the laws of Kepler from which it was derived, and which are no longer anything but approximations, if we take perturbations into account. ”
Source: Wikisource

J. E. Mayer,  The Humour and Pathos of Anglo-Indian Life

“ In remounting their ponies, a sullen silence weighed on the spirits and the tongue of everyone. How different to the volatile chatter and chaff that everyone indulged in at starting! The cheerful jest and saucy jibe of the morning, the uproarious and hearty laugh, were all hushed, and but a few gruff words were heard now and then. The only business of the entire party seemed to be to smoke and to meditate.
As they again approached the rocks first examined, Captain W. proposed that they should try again by making another examination, but he got no one to second his proposition
”
Source: Gutenberg

Charles Mackay,  Memoirs of Extraordinary Popular Delusions and the Madness of Crowds (1852)

“ Certain it is, that their existence was never suspected till the year 1605, when they began to excite attention in Germany. No sooner were their doctrines promulgated, than all the visionaries, Paracelsists, and alchymists, flocked around their standard, and vaunted Rosencreutz as the new regenerator of the human race. Michael Mayer, a celebrated physician of that day, and who had impaired his health and wasted his fortune in searching for the philosopher's stone, drew up a report of the tenets and ordinances of the new fraternity, which was published at Cologne, in the year 1615. ”
Source: Wikisource

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