Penny Slinger was born in 1947 in London, graduated from the Chelsea College of Arts, and was married to Christopher Hills, the "Father of Spirulina" for popularizing spirulina cyanobacteria as a food supplement.
(1947-10-21) October 21, 1947 (age 73)
London She studied at the Chelsea College of Arts in London where she made a series of short films that were later shown at Anthology Film Archives in 2019. She completed her degree with a First Class Honors Diploma in Art and Design in 1969. Slinger was married to microbiologist Christopher Hills, the co-discoverer of the protein-rich plankton spirulina and co-founder of the University of the Trees in Boulder Creek, California. Christopher Hills (April 9, 1926  January 31, 1997) was an English-born author, philosopher, and scientist, described as the "Father of Spirulina" for popularizing spirulina cyanobacteria as a food supplement. 
