text: Kazan University is known as `` the birthplace of organic chemistry '' due to works of Aleksandr Butlerov , Vladimir Markovnikov , Aleksandr Arbuzov , and the birthplace of Electron Spin Resonance due to work of Evgeny Zavoisky .
simplified: Kazan University is also known as `` the birthplace of organic chemistry '' because of the works of Aleksandr Butlerov , Vladimir Markovnikov , Aleksandr Arbuzov , and others .