The surname of House M.D. fellow Lawrence is Kutner.
Lawrence Kutner, played by Kal Penn, joins Gregory House’s diagnostic team during the fourth season. House selects him after a competitive process in which several candidates are evaluated for their medical skill, creativity, and willingness to challenge conventional thinking.
Kutner is especially interested in unusual diagnostic possibilities and often approaches cases with energetic experimentation. His character’s storyline takes a sudden and serious turn in the fifth season, creating a major emotional and investigative effect on House and the rest of the team.
Kutner is easy to confuse with Chris Taub, Eric Foreman, or Robert Chase, all of whom are also physicians associated with House. Kutner is the character played by Kal Penn.