Michael Luck

Unfortunately, there is no information provided about the author Michael Luck in the given documents.

The author section is empty, and the reviews do not contain any biographical details or background information about the writer.

Without additional sources or context, it is not possible to provide a summary about the author's life, career, or other works.

The only information available is that Michael Luck is credited as the author of the book "Ikigai" mentioned in the reviews.