Summarize the important contributions of Thomas Edison from this paragraph in a bulleted list.

Context: Thomas Alva Edison was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures.These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial research laboratory.

Answer: Thomas Edison's research and inventions have had a significant influence over the modern industrialized world. Here is a glimpse of his achievements:
1. Invented the phonograph
2. Invented the motion picture camera
3. Invented early versions of electric light bulbs
4. He established the first industrial research labratory
5. He developed devices across several fields of research, including: power generation, mass communication, sound recording, and motion pictures