Sherlock Holmes’s trusty companion. Assistant to Alexander Graham Bell. The supercomputer Jeopardy! champ. And a Dweeb Team everyman. Four Watsons in three centuries tell one tale in this playful, time-traveling drama about the human heart and the technology on which it relies. Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by joining TCG, which entitles you to copies of our quarterly print magazine and helps support a long legacy of quality nonprofit arts…