Invenions

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What did Ole Kirk Christiansen invent?
Antibiotics were discovered by A.
AC electrical current was developed by N.
Tim Berners-Lee is the father of the... (3 words)
IBM and Bellsouth invented the ... in 1992.
Hedy Lamarr was born in...
The past form of "to spend" is...
T.A. .... is considered to be the greatest inventor of all time.
to make something better
a method to find out if something works
Karl ... is the inventor of the motor car.
The inventor of the printing press is J.
What was invented in 1999 and can be found in almost every smartphone and many electrical gadgets?
In 2007 the first iPhone was presented by S.