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Inventions	Famous Scientists
Bacteria	Leeuwenhock
Ball Point Pen	John Loud
Balloon	Montgolfier
Barometer	Torricelli
Battery & Current Electricity	Volta
Beriberi (cause)	Eijkman
Bicycle	Macmillan
Bicycle tyre	Dunlop
Bifocal lens	Franklin
Blood Circulation	Harvey
Blood Transfusion	Landsteneir
Blood grouping	Dr.Costella and Dr.Moss
Brownian Movements	Robert Brown
Burglar Alarm	Edwin T.Holmes