Hansjörg Eichler
Hansjörg Eichler ( 1 April 1916 – 22 June 1992 ) was a German-born botanist , educated in Europe , who worked in Europe and Australia , and whose greatest contribution was to Australian botany . 
<triplet> Hansjörg Eichler <subj> 1 April 1916 <obj> date of birth <subj> 22 June 1992 <obj> date of death