The I-O Family Tree
Frank Landy published several different versions of the I-O family tree, showing the academic lineage of SIOP Past Presidents. His last version of the tree was published in 1997. Below is link to an updated family tree prepared by the SIOP History Committee in 2016:
Updated family tree (Powerpoint) (PDF)
In addition, Satoris Culbertson has written a piece in TIP on Academic Family Trees.
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