Mark Amend

His book "Lines of Thought by an Unknown Author" is a book of poetry and original quotations or epigrams as the author name them.

Some of the book is online at http://www.lines-of-thought-by-an-unknown-author.blogspot.com

He had a big contribution to the development of the site: www.thinkexist.com as eathian, many of his quotations are circulating on the internet as anonymous or unknown author or sometimes as eathian. He is a civil engineer and he also started an online t-shirt business based on his quotations http://www.zazzle.com/eathian. He lives in Valparaiso, Florida. He was born on March 15th 1955.