There are many famous scientists who were never married, but one of the most well-known is Albert Einstein.
Einstein was a theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). His work is also known for its influence on the philosophy of science.
While Einstein was a brilliant mind, he was also a complex and private individual. His personal life was often overshadowed by his scientific achievements. He had two wives, Mileva Marić and Elsa Löwenthal, and he had an extramarital affair with his cousin, Elsa's daughter, Ilse.
Einstein's decision to remain unmarried for a significant portion of his life is a testament to his dedication to his work. He was a deeply focused individual who devoted himself to his scientific pursuits.