Question: Has Atsushi Ogata or Douchan Gersi authored more books?
Context: Atsushi Sakahara (阪原 淳 , Sakahara Atsushi , born 27 August 1966 in Kyoto) is a writer, film director, producer, and entrepreneur.  He is currently representative director of Good People Inc, based in Kyoto.  He is the author of several books.  In 2004 he founded the Japanese company Good People Inc. to help with his work in film-making.  He is a survivor of the 1995 Sarin gas attack on the Tokyo subway. He produced a Palm d'Or winning short film, Bean Cake, 2001.  He started shooting a documentary on Aum Shinrikyo. Mishima: A Life in Four Chapters is a 1985 American biographical drama film co-written and directed by Paul Schrader.  The film is based on the life and work of Japanese writer Yukio Mishima (portrayed by Ken Ogata), interweaving episodes from his life with dramatizations of segments from his books "The Temple of the Golden Pavilion", "Kyoko's House", and "Runaway Horses".  It was executive produced by Francis Ford Coppola and George Lucas. Douchan Gersi (1947–2015) was a Slovak-born, Belgium-raised, Bali-based adventurer, documentary filmmaker, author and actor, producer/star with actor James Coburn of "Explore", a PBS mini-series.  He is the author of numerous books including "Faces in the Smoke: An Eyewitness Experience of Voodoo, Shamanism, Psychic Healing, and Other Amazing Human Powers" and "Explorer". John Alcock (born November 13, 1942) is an American behavioral ecologist and author.  He is currently the Emeritus' Professor in the School of Life Sciences at Arizona State University.  His research interests include the evolution of diversity in insect populations, studying the adaptive value of different ways in which males find mating partners.  He has authored several books, including "The Kookaburras' Song: Exploring Animal Behavior in Australia" (1988), "Sonoran Desert Summer" (1990), "The Triumph of Sociobiology" (2003), and "Animal Behavior: An Evolutionary Approach" (tenth edition, 2013).  He authored "Sonoran Desert Spring" (1994) which was illustrated by Marilyn Hoff Stewart, and also authored "In a Desert Garden: Love and Death Among the Insects" (1999) illustrated by Turid Forsyth. Explore was a 1980s PBS TV show based upon the film footage filmed by explorer Douchan Gersi over the previous 20 years.  The show was hosted by popular actor James Coburn. Atsushi Hachisu (蜂巣 敦 , "Hachisu Atsushi" ) (born 1963 in Tochigi Prefecture, Japan) is a Japanese non-fiction writer for murders and a critic for manga.  He dropped out of Waseda University.  He writes books about Japanese serial or spree killers such as Tsutomu Miyazaki, Sataro Fukiage and Mutsuo Toi. Professor Efstratios N. (Stratos) Pistikopoulos FREng is an alumnus of Professor Ignacio Grossmann from Carnegie Mellon University.  He is a distinguished research Professor at the Department of Chemical Engineering at Texas A&M University, as well as the Associate Director of the Texas A&M Energy Institute.  From 1991-2015, he was a Professor for Chemical Engineering at Imperial College, where he pioneered multi-parametric programming and invented the concept of explicit or multi-parametric model predictive control.  He has authored and co/authored more than 350 peer reviewed journal articles, authored and/or edited 9 books and has been an invited speaker to many Academic conferences and lectures, including the 21st Professor Roger W. H. Sargent lecture at Imperial College London (held on the 4th of December 2014) entitled "Multi-Parametric Programming & Control 25 years later: what is next?" .  Additionally, Professor Pistikopoulos has been elected a fella of the Royal Academy of Engineering in 2013. Atsushi Ogata (緒方 篤 , Ogata Atsushi ) is a Japanese film director, scriptwriter, video artist, and actor.  Born in Japan and partly raised in the United States, Ogata has worked in the Netherlands, Germany, Japan, and the US.  He is a graduate of Harvard College and the Center for Advanced Visual Studies (CAVS) of the Massachusetts Institute of Technology.  Ogata has received funding from ZDF German national public television and the Dutch National Film Fund for his screenplays. Sven Erik Jørgensen (August 29, 1934 – March 5, 2016 in Copenhagen) is an ecologist and chemist.  He has become professor emeritus in environmental chemistry at the University of Copenhagen.  He received in 1958 a master of science in chemical engineering from the Danish Technical University, then doctor of environmental engineering (Karlsruhe University) and doctor of science in ecological modelling (Copenhagen University).  He is an honourable doctor at Coimbra University, Portugal and at Dar es Salaam University, Tanzania.  In 1975 he founded a journal, Ecological Modelling, and in 1978 ISEM, the International Society of Ecological Modelling.  There have been several awards: the Ruder Boskovic Medal, the Prigogine Prize, the Pascal Medal, the Einstein professorship at the Chinese Academy of Sciences, the Santa Chiara Prize for multidisciplinary teaching, and in 2004, together with William Mitsch, the Stockholm Water Prize.  He has published 366 papers of which 275 were in peer-reviewed international journals, and has edited or authored 76 books, of which several have been translated into other languages (Chinese, Russian, Spanish, and Portuguese).  He has authored a textbook in ecological modeling “Fundamentals of Ecological Modelling”, which was published as a fourth edition together with Brian Fath in 2011.  It has been translated into Chinese and Russian (third edition).  Recently he authored the textbook “Introduction to Systems Ecology”.  It was published in English in 2012 and in Chinese in 2013.  He was editor in chief of the Encyclopedia of Ecology published in 2008, and of the Encyclopedia of Environmental Management published during December 2012.  He has taught courses in ecological modelling in 32 countries.  He is the editorial board member of 18 international journals in the fields of ecology and environmental management.  He is currently the president of ISEM and has been elected to the European Academy of Sciences, for which he is chairman of the Section for Environmental Sciences. Boogiepop and Others (ブギーポップは笑わない , Bugīpoppu wa Warawanai ) is a light novel and manga authored by Kouhei Kadono and illustrated by Kouji Ogata, and a live-action movie directed by Ryu Kaneda.  The light novel, the first in the Boogiepop series, was released in 1998 by MediaWorks and won the fourth Dengeki Game Novel Contest.
Answer: Douchan Gersi