Answer:

lambert

AnswerCrossword Clue
LAMBERTUnit of brightness
LAMBERTAdam of "American Idol"
LAMBERTBrightness unit
LAMBERTUnit of brightness.
LAMBERTThe "sheepish lion," in Disney song.
LAMBERTCgs unit of brightness
LAMBERTSt. Louis's ... Airport
LAMBERTSt. Louis airport
LAMBERTJack of the 1970s-'80s Steelers
LAMBERT2009 'American Idol' runner-up Adam