Inventors are individuals who create new devices, processes, or methods to solve problems or improve existing solutions. They often use their creativity and technical knowledge to develop innovative ideas that can lead to significant advancements in various fields, such as technology, medicine, and engineering. Famous inventors like Thomas Edison and Nikola Tesla have made lasting impacts on society through their groundbreaking inventions. The invention process typically involves identifying a need, brainstorming ideas, and testing prototypes. Inventors may work alone or collaborate with teams to refine their concepts. Successful inventions can lead to patents, which protect the inventor's rights and allow them to benefit from their creations.