How has Plankc 's and Einstein 's theory changed physics and when was it postulated ?
Another example is that his textbook , as late as the 1927 version , unambiguously states the existence of the ether , and mentions Einstein 's theory of relativity only in a noncommittal note at the end of the caption under Einstein 's portrait , stating as the last in a list of accomplishments that he was " author of the special theory of relativity in 1905 and of the general theory of relativity in 1914 , both of which have had great success in explaining otherwise unexplained phenomena and in predicting new ones .