Una Vivienne Cassie Cooper MNZM (née Dellow; 29 September 1926 – 5 July 2021) was a New Zealand planktologist and botanist.
Cassie Cooper was born on 29 September 1926 in the Auckland suburb of Epsom to Annie Eveline Bell and her husband, Kenneth Dellow.
Cooper also published Micro Algae – Microscopic Marvels which she writes to appeal to a more popular readership.
[5] Cassie Cooper garnered several awards and titles for her accomplishments, including an honorary research associateship by the Botany Department at University of Auckland and the Botany Division of DSIR, and an honorary life membership of the New Zealand Limnological Society and the New Zealand Marine Science Society.
[3][4] In the 1997 Queen's Birthday Honours, she was appointed a Member of the New Zealand Order of Merit, for services to marine biology.