Peter H. Raven

American botanist

Pete Raven

Musical artist

Thomas Meehan

American playwright

Ernest Henry Wilson

British explorer

Liberty Hyde Bailey

American horticulturist

gordon rowley

Botanist

George Forrest

Botanist

Stella Ross-Craig

British visual artist

Matilda Smith

Visual artist

Charles Sprague Sargent

American botanist

Roy Lancaster

British gardener

John Alfred Codrington

Arabella Lennox-Boyd

Garden designer