摘要
On 21, January 2019 there will be 75 years when electron paramagnetic resonance (EPR) was discovered by Eugene (Yevgeny)Konstantinovich Zavoisky (Fig. 1) in 1944 in the USSR. This method has revolutionized the study of various physical, chemical and biological systems, and the importance of Zavoisky’s discovery is acknowledged by the EPR scientific community all over the world.
