1957: Birth at Berlin, Germany. PIX PIX

1975 - 77: Vocational training as computer programmer.

1979 - 98: Employment as computer programmer at Technical University of Berlin.

1983 - dato: Extensive travels to India. PDF PIX

Visit of Vithalbhai Jhaveri's extensive exhibition on Gandhi at New Delhi. PIX

1983: Involvement in German peace movement; Establishment of Gandhi Information Center, Berlin (chairperson from 1983 to 1992). PIX PIX

1984: First major exhibition on the life and work of Mahatma Gandhi in Berlin. VID VID VID PIX

Co-author of the book My Life Is My Message - Das Leben und Wirken von M.K. Gandhi (German). WWW

1985: Prabhudas Gandhi becomes mentor and friend. WWW

Adviser to ORF (Austrian TV) for a TV program on Gandhi, Mirabehn, the Chipko movement, and ecology in the Himalaya region (Bäume umarmen - Hugging Trees). VID PIX

That's what the Stasi (Secret service of German Democratic Republic) documented about Peter Rühe: PDF

Attending Gandhi Summer School in Oxforshire and the annual meeting of the Gandhi Foundation, London, at Kingsley Hall. VID 

1986: PDF PIX

1987: Leading first group tour In the Footsteps of Mahatma Gandhi to India. VID VID VID VID VID VID PIC

Major exhibition on the life and work of Mahatma Gandhi in Israel. WWW PDF

Adviser to ZDF/3SAT (German TV) for a 3-hours TV programme on Gandhi. VID

1988: Preparation of an extensive photo archive on Gandhi and India's independence movement (until 1994). WWW

Consultant to ZDF (German TV) for a TV quiz on Gandhi. VID  

1991: Organised an annual drawing competition Mahatma Gandhi - As I See Him in Rajkot (Gujarat/India). VID VID VID VID VID

Establishment and promotion of the International youth project The Gandhi Bridge of Understanding. WWW PDF

1992: Award for his life work by the Gujarati Writers' Association, Rajkot. PDF 

Organised an annual drawing competition Mahatma Gandhi - As I See Him in Rajkot and Amreli (Gujarat/India). VID VID VID VID 

1996: Award Photographer of the Year by Dinodia Picture Agency, Mumbai. WWW

1997: Director research for a documentary TV serial on Gandhi directed by Ketan Mehta, Mumbai.

1998: Direction and production of the audio visual show NAMASTÉ - A Journey Across India Following The Footprints Of Mahatma Gandhi in Hindi VID, English VID and German VID language. WWW

Establishment of the not-for-profit company GandhiServe e.K. in Germany.

1998 - dato: Design and administration of the most extensive web site on Mahatma Gandhi, GandhiServe's Mahatma Gandhi Research and Media Service. WWW

1999: Promotion of Search-n-Research in India, a countrywide project for the identification and conservation of original material on and by Mahatma Gandhi. 

2001: Initiation and coordination of GandhiServe's Earthquake Relief Campaign in Gujarat. PIC

Author of the photo biography Gandhi, published by Phaidon Press, London/New York. WWW 

2002: Establishment of the charitable GandhiServe Foundation in Berlin, Germany. WWW

Launch of the Indian edition of the photo biography. VID

Organization of various events. WWW

2003: Consultant to the theater play SAMMY! - The Word That Broke An Empire. WWW

Organization of various events. WWW

2004: Consultant to the BBC TV documentary The World's Most Photographed - Mahatma Gandhi. VID

Organization of various events. WWW

2005: Consultant to the feature film Gandhi My Father. WWW VID

Organization of various events. WWW

2006: Meeting with Indian Prime Minister, Dr. Manmohan Singh. WWW

Organization of various events. WWW

2007: Consultant to Gandhi the musical. VID

Organization of various events. WWW

Interviewed by Lee Bach-Bayram for her documentary film "Satyagraha 2007". VID

2008: Organization of various events. WWW 

Talk about the Ashram Gandhi Puri at Klungkung on Bali for Bali TV. VID VID

2009: Creation of GandhiTopia, a Gandhian social network. 

Organization of various events - 2009 until today. WWW

2010: Assistance with establishment of sister organization GandhiServe India. WWW

2011: Planning, design and production of GandhiMedia, GandhiServe's digital media archive.

2012: Lauch of GandhiMedia. WWW

2013: Establishment as Medical Tourism Specialist and co-developer of healing travel programme. WWW

Launch of Berlindo International (from 2015: Ruehe Healthcare GmbH), a company for im/export of ayurvedic products. WWW

2015: Launch of the GandhiServe Store. WWW

46th Sarvodaya Conference 2015 at Harijan Sevak Sangh, Delhi. VID VID

Photo exhibition "Mahatma Gandhi's life in colour" during the Sarvodaya Conference. VID VID

2018: Establishment of GandhiServe TV on Facebook. WWW

Presentation of the Power point Presentation "Anecdotes from Mahatma Gandhi’s Inner Circle" at the Metta Center, Petaluma, California, USA. VID

Direction of 60-minutes audio visual show MY LIFE IS MY MESSAGE - The life and work of Mahatma Gandhi WWW

Publication of the book MY LIFE IS MY MESSAGE - The life and work of Mahatma Gandhi VID VID Photo exhibition VID

2019: Organization of and participation in various events. WWW

2021: Resignation as chairperson of GandhiServe Foundation.

Publication of Gandhi and I - An Autobiography in English and German language.

2022: Resignation from board of GandhiServe Foundation. Termination of GandhiServe e.K.