His Modified branching programs and their computational power, c1989: CIP t.p. (Christoph Meinel) galley (Sektion Mathematik, Humboldt-Universität Berlin, Berlin)

His Algorithms and data structures in VLSI-design, c1998: CIP t.p. (Christoph Meinel) t.p. verso (Prof. Dr., FB IV-Informatik, Univ. Tier, Ger.) data sheet (b. 04/14/54)

Design thinking research, 2016 : title page (Christoph Meinel) page 1 (C. Meinel, Hasso Plattner Institute for Software Systems Engineering, Pottsdam, Germany)

Hasso-Plattner Institut website viewed April 25, 2019: biography of Prof. Dr. Christoph Meinel page (b. 1954 ; dean of the Digital Engineering faculty of the Potsdam University and director and CEO of the Hasso Plattner Institute for Digital Engineering ; full professor for computer science and serves as department chair of Internet Technologies and Systems at HPI ; areas of research focus on Internet and information security, Web 3.0, semantic web, social and service web, and the domains of e-learning, teleteaching and telemedicine ; studied mathematics and computer science at the Humboldt University in Berlin from 1974 to 1979; received Ph.D. in 1981 ; after a research stay at the University of Saarbrüken and a visiting professorship at the University of Paderborn, he became a full professor for computer science at the University of Trier ; co-founded the Institut für Telematik e.V. in Trier in 1996 and served as director from 1998-2002 ; in 2004 was appointed president and scientific director of HPI at the University of Potsdam and chair of the Internet Technologies and Systems Department ; between 1996-2007 served as member of the scientific board of directors of the IBFI Schloss Dagstuhl ; from 1996-2007, was speaker of the Gesellschaft für Informatik (Germany Society for Computer Sciences))

Wikipedia, viewed April 25, 2019: Chrisoph Meinel page (b. 14 April 1954, in Meissen, Germany; German scientist and university professor of computer sciences ; president and CEO of the Hasso Plattner Institute (HPI) for Digital Engineering, dean of the digital engineering faculty of the University of Pottsdam (Germany) and professor for internet technologies and systems)