Seán Duggan is a fine art photographer, and photographic educator with extensive experience in both the traditional and digital darkroom. Through his writing and teaching, he has been helping photographers master digital photography and digital darkroom techniques for many years. He has over 20 online courses on photography, Photoshop and mobile image making at LinkedIn Learning / Lynda.com, including the regular series Mobile Photography Weekly. He is the author or co-author of several books.