1889 by Esposito when he had to make a pizza for Italian King Umberto I and Queen Margherita
Answer:
<h2>Internet based E mail</h2>
Explanation:
Ray Tomlinson was the computer programmer credited with the implementation of the first email program on the Arpanet system, it was able to send emails between users on different hosts that were connected to ARPANET. It was not possible earlier. For this he used @ sign and separated the username from the machine name. This scheme is still used in the e mail addresses.
Hitler describes Jewish people as vermin to the Master race. He recommended exterminating the Jews.
