// todo need optimize like in event.jsp. Add indexing or not indexing this page. James Chadwick (19 ноя 1932 г. – 19 май 2698 г.) (Лента времени)

James Chadwick (19 ноя 1932 г. – 19 май 2698 г.)

He discovered neutrons, particles whose mass was close to that of a proton.

9 янв 2018

19 ноя 1932 г.

19 май 2698 г.

~ 766 years

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