Answer:
They were sought after by others.
Explanation:
Duchamp and Hoch share a common similarity in the sense that other people always seek after them.
They were always sought after by others.
I think a simile but I’m not sure
I assume your choices are either social, informal, or business? I think it's social... it's definitely not business, and it doesn't sound informal.
If it is by Andy Singer, I would say energy conservation.
