What an immense pool of chess talent in that picture! Even the lesser known players like Lilienthal and Makogonov were very strong.
Those Silly Soviets
....but it is understandable...this was right after WWII, and I bet you there was not a lot of food to go around!
Following the link provided in the OP, you would find Al Horowitz' annotations of his two games with Flohr Here is a direct link (this one is the bottom game): http://batgirl.x10host.com/Flohr-Horowitz_annotation.html
In his inimitable style Horowitz writes such things as, "Not the book move; I played the text because I did not know the book move."
This is the Soviet team that decimated (15.5-4.5) the U.S. team in the 1945 USSR-USA Radio Match.
Anyone interested can read the match details -with photos- here