Edmund Husserl was a German philosopher. He wrote a lot of books and wrote a lot of ideas about thinking and understanding. He believed that good thinking and understanding should start with finding the basic facts and truths of a situation. He wrote that philosophy should focus on what is true, because only the truth can help us to understand things. So, he focused on analyzing and finding the basic facts and truths. The ideas he wrote about were about how we think, how we understand and how we reason. He thought that our understanding comes from our experiences and how we interpret them.