Greenleaf Whittier Pickard was a man who lived a long time ago, and he did a lot of things that made people very happy. He was born in the year 1846 in the United States, which is a big country with lots of different states.
When Greenleaf was a little boy, he went to school to learn how to read and write, just like all kids do. He was really good at it too! As he got older, he went to college where he studied to be a minister, which is someone who leads a church and helps people who are sad or need help.
Greenleaf was very kind and wanted to make the world a better place. He believed that everyone should be treated fairly, no matter where they come from or what they look like. So, he helped start a group called the YMCA, which stands for Young Men's Christian Association. This group helped young folks stay active and healthy, and gave them a safe place to go when they needed it.
As Greenleaf got older, he continued to work for good causes. He helped build a big library where people could go to read books and learn new things. He also started a school that taught people how to do things like farming and sewing, so they could take care of themselves and their families.
Greenleaf was always thinking about others and how he could help them. He lived a long and happy life, and even after he passed away in 1936, his legacy continued to inspire people to be kind and make a difference in their communities.