Acronym Soup: BRO?

Questions

Which swinging swimmer retired in 1929 with 67 records to his credit?

Which song was a hit for both Elvis Presley and the Pet Shop Boys?

Which country produced almost all of the worlds diamonds until the 18th century?

Whose interpretation of dreams sold only 351 copies during its first 2 years in print?

How many rows of sprocket holes are there on a 36 exposure roll of Fuji 200 ASA film?