Hein-Rich Spencer's Greatest Invention

Most knew him as a leader. At the center of a revolution he made his mark. The start of a change began slowly. Those around the world learned of the controversy. His accomplishment led to the presidency of a certain college.

He was known by many as “Father of the Deaf”: he did so much for the deaf people. At the time, deaf people weren't treated that great. Many people thought “deaf are dumb”.

He created the lightbulb, an invention that would be impossible to live without today, but is something almost indescribable to Equality. Left alone, and with his own ideas and thoughts, not those of others, Equality grows and matures, creating ideas far beyond anything the council could

Because of him, the world was informed about basic human rights and dignities and how this was being

Sometimes mistakes can lead to great discoveries. An explorer can be searching for a waterfall and then trip and fall into a hidden cave. The possibilities are endless when it comes to this topic. Like in “Lost Cities, Lost Treasure”, “How a Melted Bar of Chocolate Changed Our Kitchens”, and “In Praise of Careful Science”. These things can change people's lives in good and bad ways.

Do mistakes lead to new discoveries? I believe yes! Sometimes they don't lead to new discoveries but most the time they do. Think about when you were in middle school or something, you got a question wrong on a test, you can now understand how to do it if you do corrections, you learned or discovered how to solve it correctly instead of getting it wrong every time.

you can read more about him online. Reading about him taught some people a lot

activist and priest who fought for people of color to get equal rights. He suffred through hate and love in the United States. He was a brave, selfless, intelligent, peaceful, and powerful man.

a man before his time and he exposed the reality that every person is a

They also called him the in enlightener. He was a thinking man, he was a man who wanted to spread his knowledge to enlighten everybody else's lives and make them happier,

life we need to look at his past, opponents, obstacles, inventions, and service to others.

Alexander Bell was an inventor, self-taught student, and teacher. He was an important part of communication technology history. The invention of the telephone made a huge impact on the world.

This is Thomas Edison. Thomas Edison is a famous inventor who invented lots of things that we use today. He was born a very long time ago in the United States of America.

Humanity’s interest in unknown world has been universal and enduring. Accompany with human development, discovery the unknown world has become more and more important to human life. Some people think discovery is a good thing. They will tell you how X-ray used by medical professionals to help diagnose and treat a wide range of medical problems. They will also tell you what a mass your life will be if Benjamin Franklin did not discovered electricity. But other argue people think discovery bring disaster to human. They will tell you if Martin Heinrich Klaproth did not discover uranium, maybe atomic bomb would not been invented. Although the question about whether discovery always a good thing has so many

Thomas Alva Edison was an unconventional genius that played a vital role in shaping the modern world with his inventions, but didn’t accomplish this role easily. Edison led an inquisitive life encompassing his disruptive adolescence, unconventional methods of success, and exceptional ability to endure failure. Although his inventions and ideologies exemplified him, Thomas Edison overcame tremendous obstacles throughout his lifetime before achieving his anticipated goals.