George Otto Nordmann discovered the seedless Nagami seedling later known as Nordmann Seedless. The source says the seedling was planted in 1965, but does not date the discovery; do not read this credit as establishing discovery in 1965.
The Nagami seedling that later became Nordmann Seedless was planted in DeLand, Florida. George Otto Nordmann later recognized its seedless fruit; the source does not date the discovery.
World of Citrus