1027Who is the inventor of Yellow fever; cause of?
Ans : Reed
1028Who is the inventor of ZETA (Zero Energy Thermo nuclear Assembly)?
Ans : Harwell
1029Who is the inventor of Zip Fastener?
Ans : W.L.Judson
"Ideals are like stars; you will not succeed in touching them with your hands, but like the seafaring man on the desert of waters, you choose them as your guides, and following them, you reach your destiny"