Michaël Eytzinger [SEP] date of death
Michaël Eytzinger
Michaël Eytzinger (Freiherr Michael von Aitzing, Aitzinger, Eyzinger, or Eitzing) (born ca. 1530 in Obereitzing - died 1598 in Bonn), was an Austrian nobleman, diplomat, historian, and publicist, who wrote and published several works, including a renowned volume that states the principles of a genealogical numbering system, called an Ahnentafel, that is still in use today. 
Eytzinger first published the Ahnentafel in 1590 in his "Thesaurus principum hac aetate in Europa viventium" (Cologne), in
prehistory, while historically non-trivial implicit data structures date at least to the Ahnentafel, which was introduced by Michaël Eytzinger in 1590 for use in genealogy. In formal computer science, the first implicit data structure is generally considered to be the sorted list, used for binary search, which was introduced by John Mauchly in 1946, in the Moore School Lectures, the first ever set of lectures regarding any computer-related topic. The binary heap was introduced in to implement the heapsort. The notion of an implicit data structure