"Francois Kelsen lived on Earth in the 25th century. He was an employee of RSI. In 2460 he ran an advertising campaign by Mark Carl of Willet & Ngo Advertising which motivating people to leave Earth on RSI ships."@en . . . "Francois Kelsen lived on Earth in the 25th century. He was an employee of RSI. In 2460 he ran an advertising campaign by Mark Carl of Willet & Ngo Advertising which motivating people to leave Earth on RSI ships."@en . "Francois Kelsen"@en .