Henry Cavendish (1 янв 1798 г. – 1 янв 1799 г.)
Описание:
 His experiment (Cavendish experiment) measured the slight changes caused by objects suspended near eachother. How they would come closer and what that would be. Which was urprisingly accurate. 
Добавлено на ленту времени:
Дата:
1 янв 1798 г.
1 янв 1799 г.
 ~ 12 months