John Walter Gregory (Wikipedia)
John Walter Gregory, FRS, FRSE, FGS (27 January 1864 – 2 June 1932) was a British geologist and explorer, known principally for his work on glacial geology and on the geography and geology of Australia and East Africa.- Islam (Wikipedia)
Islam (/ˈɪslɑːm/; Arabic: ۘالِإسلَام, al-ʾIslām [ɪsˈlaːm], transl. “Submission [to God]”) is an Abrahamic monotheistic religion centered on the Quran and the teachings of Muhammad. Adherents of Islam, called Muslims, number approximately 1.9 billion globally and are the world’s second-largest religious population after Christians.