Sir Geoffrey Allan Jellicoe was an English architect, town planner, landscape architect, garden designer, landscape and garden historian, lecturer and author. His strongest interest was in landscape and garden design.
The "Jellicoe Canal" at the RHS Garden Wisley, 1970s
Sir Geoffrey Jellicoe (left) with artist Ben Nicholson
JFK Memorial stone at Runnymede, Surrey. Garden designed by Jellicoe and dedicated in 1965.
A garden designer is someone who designs the plan and features of gardens, either as an amateur or professional. The compositional elements of garden design and landscape design are: terrain, water, planting, constructed elements and buildings, paving, site characteristics and genius loci, and the local climatic qualities.
Illustration from a popular nineteenth century book on garden design: Edward Kemp's How to lay out a Garden. The drawing shows how to plant a group of trees framing views to the scenery beyond