1851 – Born on August 17th in Stirling, Scotland. Remembered as a gifted evangelist who assisted Dwight L. Moody during his revival campaigns, he was also a lecturer in natural science.
1874 – "The Greatest Thing in the World" – a meditation he wrote that illuminates the importance of 1 Corinthians 13 – is the one that assured he would be remembered by later generations.
1877 – Was a lecturer in the Free Church College.
1883-1884 – He also wrote the book, "Natural Law in the Spiritual World" was published and sold 70,000 copies in five years and made him famous and "The Ascent of Man" a year after.
1888 – His digest, Tropical Africa was published.
1897 – He died on March 11th.