Louis Thomas Hardin, better known as Moondog, was a blind avant-garde American musician who worked in a variety of genres including jazz and classical, invented a series of his own instruments, influenced a bunch of other composers including the American minimalists, made a lot of his living by begging and briefly appeared in a cloak and horned helmet (he loved Norse mythology) on Sixth Avenue in New York. 

But never mind that.

In his second appearance of the day, mathematical biologist Jesús Ait Idir discusses life as a young research student.