A．He started to work on refrigeration.
B．He became a professor of Mathematics.
C．He fell in love with Natasha Willoughby.
D．He distinguished himself in low temperature physics.
A．Discovering the true nature of subatomic particles.
B．Their explanation of the laws of cause and effect.
C．Their work on very high frequency radio waves.
D．Laying the foundations of modero mathematics.
A．To have a three-week holiday.
B．To spend his remaining years.
C．To patent his inventions.
D．To teach at a university.