Clive Staples Lewis (1898 - 1963) C. S Lewis was a British novelist, poet, academic, literary critic, essayist, lay theologian, broadcaster and lecturer,. He held academic positions at both Oxford University and Cambridge University. 

Friedrich Wilhelm Nietzsche - (1844 -1900) German philosopher, cultural critic, composer, poet, philologist, and a Latin and Greek scholar.

Mark Twain (1835 - 1910) American writer, humorist, publisher, and lecturer.

Robert Louis Stevenson (1850-1894) Scottish novelist, poet, and travel writer. His most famous works are Treasure Island, Kidnapped, Strange Case of Dr Jekyll and Mr Hyde.