Professor Andrzej Trautman passed away on February 27th.

It is with deep sadness that we announce the passing of Prof. Andrzej Trautman — one of the most outstanding Polish theoretical physicists, whose work proved the existence of gravitational waves. We have lost a great teacher and a profound authority.

Professor Andrzej Trautman passed away on February 27th.

It is with deep sadness that we announce the passing of Prof. Andrzej Trautman — one of the most outstanding Polish theoretical physicists, whose work proved the existence of gravitational waves. We have lost a great teacher and a profound authority.

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