B13

Most people know that Leonardo da Vinci was a great painter. However he was also a talented sculptor, musician, poet, scientist, architect and an engineer.

 SCIENCE

B14

Da Vinci was a great inventor, too.

 INVENT

B15

Some of his projects were successful. For example, he drew a flying machine 400 years before the airplane was invented.

 SUCCESS

B16

He also designed an air, conditioner, an alarm clock, a reading lamp, a submarine and many other things. In all, da Vinci designed more than 1,000 inventions!

CONDITION

B17

Sadly, he didn't have time to develop many of his ideas. He was always more interested in thinking about and planning projects than doing them.

 SAD

B18

Da Vinci was also a very mysterious man. Nobody knows much about his private life. What's more, he wrote backwards in his notebooks and it took time to read what he had written in them.

 MYSTERY