There were slightly more votes for the one where I hold my first computer, a TI-99/4A from Texas Instruments, but the portrait on the left received more favorable arguments, such as: a portrait on the cover of an autobiography should "face the reader", instead of "looking away". The one with the computer looks "too posed" and even: "you look arrogant in the one on the right."
The votes for the portrait that made third place didn't come near the number of votes of the two most popular photographs. Every photograph received at least one vote. In third place, we have #10, fourth place #8, fifth place #9 and #4, seventh place #6, eight place #1 and #2, and finally #5, #11 and #12 in tenth place.
I think I'm going to choose #7, but the final decision hasn't been made yet. In any case, I'm going to use several of the best-ranked portraits in my marketing material.