Charles Harpur
Charles Harpur( 23 January 1813 – 10 June 1868) was an Australian poet.
John James (Australian architect)
John Roger Haughton James( born 1931) is a British- born Australian architect and historian.
Roger Highfield (historian)
John Roger Loxdale Highfield( 14 February 1922 – 13 April 2017) was an English historian of medieval Europe and fellow of Merton College, University of Oxford.
Roger Whittle
John Roger Whittle was an English footballer who played at right-back for Port Vale just before World War II.
Roger Boas
John Roger Boas( August 21, 1921 – February 10, 2017) was a San Francisco businessman and politician, long prominent in the Democratic Party in northern California.
John-Roger Hinkins
John- Roger Hinkins( born Roger Delano Hinkins)
( September 24, 1934 – October 22, 2014) was an American author, public speaker, and founder of the Movement of Spiritual Inner Awareness( MSIA), as well as several other New Age, spiritual, and self- help organizations.
Roger Forsythe
Roger Forsythe( born John Roger Forsythe)( July 11, 1955- October 6, 1991) was a men's fashion designer.
John Roger (died 1415)
John Roger( died 1414/ 15), of New Romney, Kent, was an English Member of Parliament for New Romney in 1407.
John Gerard-Pearse
Rear Admiral John Roger Southey Gerard- Pearse CB( 10 May 1924 –22 May 2017) was a Royal Navy officer who served as Flag Officer Sea Training.
David C. Lane
David Christopher Lane( born April 29, 1956 in Burbank, California) is a professor of philosophy and sociology at Mt. San Antonio College, in Walnut, California.
He is notable for his book" The Making of a Spiritual Movement: The Untold Story of Paul Twitchell and Eckankar" which exposed the origins of Eckankar and demonstrated the plagiarism of its founder, Paul Twitchell.
He is also notable for introducing to a wider audience the teachings of Baba Faqir Chand, the Indian exponent of Surat Shabd Yoga from Hoshiapur in the book," The Unknowing Sage: The Life and Work of Baba Faqir Chand".
Lane founded the journal," Understanding Cults and Spiritual Movements" in the 1980s which featured critical studies of John- Roger Hinkins and Movement of Spiritual Inner Awareness, Adi Da, and Sathya Sai Baba.

Question: Did Charles Harpur and John-Roger Hinkins have the same nationality?
Answer: no