who is this aforesaid person?
American actor, comedian, director and producer.
David Schwimmer
David Lawrence Schwimmer (born November 2, 1966) is an American actor, comedian, director and producer.

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David Schwimmer [SEP] Introduction
Schwimmer gained worldwide recognition for playing Ross Geller in the sitcom "Friends", for which he received a Screen Actors Guild award and a Primetime Emmy Award nomination for Outstanding Supporting Actor in a Comedy Series in 1995. While still acting in "Friends", his first leading film role was in "The Pallbearer" (1996), followed by roles in "Kissing a Fool", "Six Days, Seven Nights", "Apt Pupil" (all 1998), and "Picking Up the Pieces" (2000). He was then cast in the miniseries "Band of Brothers" (2001) as Herbert Sobel.