Tadashi Yanai

What if one person's idea about simple clothes changed how millions of people dress every day? Imagine a basic T-shirt or a cozy coat everyone trusts — that's the kind of change Tadashi Yanai helped make.

Tadashi Yanai is a Japanese entrepreneur who leads Fast Retailing and created the UNIQLO stores. He was born in 1949 and grew up in Japan. The single most important thing he did was make good, simple clothes that lots of people could buy and wear every day.

He started and grew his business from the late 1900s into the 2000s. Today, UNIQLO is a worldwide brand with shops in many countries — people know it for clear, useful designs that are easy to wear.

His biggest achievements include turning a small clothes business into a large company, opening stores around the world, and changing how clothes are made and sold so they can be good quality without costing a lot. He also became one of Japan's richest people.

Why this matters: thanks to his idea, many people can buy smart, comfortable clothes that help them in daily life. Tadashi Yanai shows that one person with a clear idea and hard work can change what millions wear. What would you create?