Evan S. Porter may refer to an individual author or professional whose work and publications may not be widely recognized in the public domain. Authors with a similar name might work in different fields, such as journalism, creative writing, or academic research. Without specific information on his works or background, it's challenging to provide an accurate short description. If you are referring to an Evan S. Porter who might have achieved some level of prominence or authored a particular book or article, please provide more context or details about his work, and I would be happy to help with a more targeted description. Otherwise, for less widely known individuals, you might find a brief bio on personal websites, LinkedIn profiles, or within the bio section of articles they have authored.