<BGSOUND SRC="http://geocities.datacellar.net/jerry_hawkins1/autodef.wav">
This is Mr. Spock's Vulcan father, Sarek.   A man of great analytical apptitudes.  Logic being the main theme rather than human emotion in dealings with life and the universe/galaxy.
Spock's human mother, Amanda gave precedence to a side of Spock which caused some conflict at times.  With patience and time,  one begins to understand the advances prone with-in the parameters  of Vulcan ..."Logic".
1