CJiief Men of Science in tJie Seventeenth Century. 



Galileo 

 Kepler 

 Gassendi . 

 Horrocks . 

 Newton 

 Halley 



Francis Bacon 

 Descartes . 



Snellius 

 Drebbel . 

 Torricelli . 

 Guericke . 

 Boyle 

 Hooke 

 Huyghens . 

 Roemer 



Mayow 



Beecher 



Stahl 



Steno 

 Scilla 

 Woodward 



Harvey 

 Asellius 

 Rudbeck . 

 Malpight . 

 Leeuwenhoeck 

 Grew 

 Ray . 

 Willughby 



A.D. 



1564-1642. 

 I57I-I630. 

 1592-1655. 

 I6I9-I64I. 

 1642-1727. 

 1656-1742. 



I56l-l626. 

 1596-1650. 



I59I-I626. 

 1572-1634. 

 1608-1647. 

 1602-1686. 

 I626-I69I. 

 1635-1702. 

 1629-1695. 

 I644-I7IO. 



1645-1679. 

 1625-1682. 



1638-1687. 

 1639-1700. 



1578-1657. 

 I58l-l626. 

 I63O-I7O2. 

 1628-1694. 

 1632-1723. 

 I628-I7II. 

 1628-1705. 

 1635-1672. 



