Claim: Carol Leifer started doing comedy professionally in the 1970s.

Carol Leifer -LRB- -LSB- ˈliːfər -RSB- ;  born July 27 , 1956 -RRB- is a four-time Emmy Award-nominated American comedian , writer , producer and actress whose career as a stand-up comedian started in the 1970s when she was in college . David Letterman discovered her performing in a comedy club in the 1980s and she has since been a guest on Late Night with David Letterman over twenty-five times as well as numerous other shows and venues . She has written many television scripts including for The Larry Sanders Show , Saturday Night Live and most notably , Seinfeld .   Leifer 's inner-monologue driven , observational style is often autobiographical encompassing subjects about her Jewish ancestry and upbringing , coming out , same-sex marriage , relationships -LRB- having been married previously to a man and now partnered with a woman -RRB- and parenting .