Who developed the world's first vaccine?

More Questions:

What prayer is said ten times during each sequence of a Catholic rosary?

In nautical terms, what does "Starboard" mean?

In what year did photography become an integral part of Vogue Magazine?

Cyanide is often said to have the bitter aroma of what?

What tale of the cross-dressing Leonore was Beethoven's only opera?

Andorra is landlocked by what two countries?

PArts of what Chilean desert have gone four hundred years without rainfall?

Which African nation gained its independence on July 9, 2011?

How old was Humphrey Bogart when he died in 1957?

How old was Sean Connery when he first appeared as James Bond?

What actor played Royal Tenenbaum?

Which "Simpsons" character has a superfluous third nipple?

Elizabeth Bowes-Lyon was better known by what name?

How many weeks before Christmas does the 2003 film "Love Actually" begin?

In which popular 1950s film is a character played by Audrey Hepburn given 24 hours to do as she pleases in the eternal city?