Baby Names Beginning With "I": Meaning: From the name DWIGHT or ISAAC?

Questions

In 1962 Beatles replace Pete Best with---------- . ?

In 1962 East German border guards shot and kill ---------- Fechter, 18, attempting to cross Berlin Wall into western sector. ?

In 1962 East German border guards shot and kill Peter---------- , 18, attempting to cross Berlin Wall into western sector. ?

In 1983 ---------- Gershwin, lyricist, dies in Beverly Hills, Cal, at 86. ?

In 1983 Ira---------- , lyricist, dies in Beverly Hills, Cal, at 86. ?