It was truly sad that Professor Sergei Vladimirovich Nemilov passed away on October 8, 2020 in Saint Petersburg, Russia. He was born in Moscow in the family of a chemist, professor at Moscow State University Vladimir A. Nemilov, but most of his life was associated with Leningrad (now Saint‐ Petersburg), where he began his scientific career as a student of Department of Chemistry at Saint‐Petersburg State University. In 1961, S. V. Nemilov became a post graduate student at S. I. Vavilov State Optical Institute where, under supervision of Prof. Rudolf L. Muller, he carried out investigations resulting in the notable data valuable for the development of new type of optical glasses ‐ chalcogenide glasses.

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纪念谢尔盖·涅米洛夫教授（1939-2020）

谢尔盖·弗拉基米罗维奇·涅米洛夫教授于2020年10月8日在俄罗斯圣彼得堡去世真是令人难过。他出生在莫斯科，是化学家的家，是莫斯科国立大学弗拉基米尔·内米洛夫（Vladimir A. Nemilov）的教授，但他一生的大部分时间都与列宁格勒（现为圣彼得堡）息息相关，在那里他从科学院的学生那里开始了他的科学生涯。圣彼得堡国立大学化学。1961年，SV Nemilov成为SI Vavilov国家光学研究所的研究生，在Rudolf L. Muller教授的指导下，他进行了调查，得出了对于开发新型光学玻璃-硫属化物玻璃有价值的重要数据。 。