Viktor Frankl was an Austrian neurologist and psychiatrist who is best known for his book "Man's Search for Meaning".
Here are some of his other notable works:
* The Doctor and the Soul: A collection of essays on logotherapy and the meaning of life.
* Psychotherapy and Existentialism: A book outlining the principles of logotherapy.
* Man's Search for Meaning: An Introduction to Logotherapy: A shorter version of his most famous book.
* The Unheard Cry for Meaning: A book on the importance of finding meaning in life.
* The Will to Meaning: A collection of his writings on logotherapy and the human search for meaning.
Frankl was also a prolific writer on the subject of logotherapy, the therapeutic approach he developed that emphasizes the search for meaning in life. His work has been widely translated and has had a significant impact on the fields of psychology and existentialism.