Today is Father's Day. And in the world of quantum photonics, there are at least two physicists celebrating it with daughters, international awards, and decades of experiments that redefined our understanding of light: Alain Aspect  and Juan Ignacio Cirac . One French, one Spanish. Both fathers. Both, in different ways, responsible for quantum photonic computing existing as we know it today. Alain Aspect: The Father Who Proved Einstein Was (Partly) Wrong Source: Google Photos