Misc: What was the apsotle Matthews job?

Questions

Thinker who sang the 1963 hit 'it's my party'?

Thirty three degrees fahrenheit who sang 'islands in the stream' with dolly parton?

This french actor appeared in 'The Big Blue' and 'The Professional'.?

This membrane controls the amount of light entering the eye.?

This order of insects contains the most species?