Cheers decadent old-money WASPs," but, to meet producers' demands, they rewrote the lyrics to be about "likeable losers" in a Boston bar. The show's producers rejected this song, as well. After they read the script of the series pilot, they created another song "Another Day". When Portnoy and Hart Angelo heard that NBC had commissioned thirteen episodes, they created an official theme song "Where Everybody Knows Your Name" and rewrote the lyrics. On syndicated airings of "Cheers", the theme song was shortened to make room for commercials. "Cheers" was critically acclaimed in its first season, though it landed a disappointing 74th
Daniel A. Portnoy Pennsylvania, where he collaborated with Dr. Lewis Tilney in the Biology Department and made the observation that "L. monocytogenes" spreads from one cell to another by exploiting a host cell system of actin polymerization. His lab also defined the role of the listerial hemolysin in mediating dissolution of phagosomes. In collaboration with Dr. Philip Youngman, he showed that expression of the "L. monocytogenes" hemolysin by "Bacillus subtilis" led to its growth inside of host cells. Dr. Portnoy collaborated with Dr. Yvonne Paterson, who also arrived at Penn in 1988, on the use of "L. monocytogenes" as a recombinant vector-based vaccine