watson and crick, for instance, james watson is still alive, as best i know. >> yeah.ble. a lot of science, engineering and technology has just come about in the last 50 to 100 years. >> the title kind of gives it away and it's a film about the invention of the laser, but really it's more about the relationship with his wife. why did you choose to go that direction? >> yeah. i felt like narratively one of the ways to create an interesting story that everyone could understand was approaching it through his personal life and the lens of a marriage, and i think it makes the science more accessible. >> so how did you get to know him? >> i got to know him while i was a student at uc berkeley, and he was a professor there, and i found out one of the professors on campus invented the laser and i asked him for office hours and asked him a lot of questions and we got to know each other and one time i saw him outside of a physics lecture and he asked me for a car ride. >> what did you talk about in your car ride? like cal sports or the weather? >> sports probably wasn't his big