Rydberg may refer to: People. Gerda Rydberg (1858–1928), Swedish artist better known as Gerda Tirén. Jan Rydberg, (1923-2015), Swedish chemist who worked on nuclear chemistry and recycling at Chalmers University of Technology. Johannes Rydberg (1854–1919), Swedish physicist and deviser of the Rydberg formula. Kaisu-Mirjami Rydberg (1905–1959), Finnish journalist and politician. Per Axel Rydberg (1860–1931), Swedish-American botanist. Sam Rydberg (1885–1956), Swedish composer. Viktor Rydberg (1828–1895), Swedish author, poet, and mythographer.
https://en.wikipedia.org/wiki/Rydberg