Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Yevgeny Konstantinovich Zavoisky (Russian: ¿¿¿¿¿¿¿ ¿¿¿¿¿¿¿¿¿¿¿¿¿¿ ¿¿¿¿¿¿¿¿¿; September 28, 1907 - October 9, 1976) was a Soviet physicist known for discovery of electron paramagnetic resonance in 1944. He likely observed nuclear magnetic resonance in 1941, well before Felix Bloch and Edward Mills Purcell, but dismissed the results as not reproducible. Zavoisky is also credited with design of luminescence camera for detection of nuclear processes in 1952 and discovery of magneto-acoustic resonance in plasma in 1958. Zavoisky was born in 1907 in Mogilyov-Podolsk, a town in the south of Russia. His father Konstantin Ivanovich was a military doctor and mother Elizaveta Nikolaevna was trained as a teacher. In 1910, Zavoisky family moved to Kazan - a major Russian university city - for the sake of better education and well-being of their five children. There, Konstantin Ivanovich obtained a respectable job and a large apartment, which he equipped with equipment and books for home experiments with his children. Yevgeny, in particular, was keen to electromagnetism.