What is a letter bomb?
Q: What is a letter bomb?
A: A letter bomb is a type of explosive device that is concealed within an envelope or package and sent to the intended recipient. When opened, the bomb will either explode immediately or after a certain period of time.
Q: Who invented the first known "modern" letter bomb?
A: The first known case of a "modern" letter bomb was created by Swedish bombmaker Martin Ekenberg in August 1904.
Q: What did Martin Ekenberg do with his invention?
A: Martin Ekenberg built a bomb and sent it to a factory owner in Stockholm called Karl Fredrik Lundin. The bomb exploded but nobody was seriously injured. He sent a total of four bombs until 1907 before he was discovered.
Q: How many bombs did Martin Ekenberg send out before he was discovered?
A: Martin Ekenberg sent out four bombs before he was discovered.
Q: Was anyone injured when the first letter bomb exploded?
A: No, nobody was seriously injured when the first letter bomb exploded.
Q: Where did Martin Ekenberg send his invention to?
A: Martin Ekenberg sent his invention to a factory owner in Stockholm called Karl Fredrik Lundin.