sentences:  John Medley Wood
  
  John Medley Wood (1 December 1827 Mansfield, Nottinghamshire, England – 26 August 1915 Durban) was a South African botanist who contributed greatly to the knowledge of Natal ferns, is generally credited with the establishment of sugarcane mosaic virus immune Uba sugar cane in Natal and for his extensive collection of Natal plants.Wood was born in Mansfield to a lawyer James Riddall Wood and Hannah Healy Weaver.