Alfred G. Bircher
Alfred Bircher spent over fifty years conducting experiments in his botanical garden in al-Saff, Upper Egypt. He died in 1958. His daughter, Warda Bircher, worked as a paleontologist for Shell Oil, before retiring with her husband to the garden in al-Saff, where they devoted themselves to conserving her father’s work. She died in Switzerland in late August 2006 at the age of 101.