Misc: what two types of food do england and america have the names of reversed?

Questions

In 1939 Yuri N.---------- , Soviet cosmonaut (Soyuz 24) born ?

In 1945 ---------- McLean, singer, songwriter (American Pie, Vincent) born?

In 1945 Don---------- , singer, songwriter (American Pie, Vincent) born?

In 1945 Don McLean, singer, songwriter (---------- , Vincent) born?

In 1942 First self-sustaining nuclear chain reaction demonstrated in one of the squash court under Stagg Field, University of---------- . ?