An initial hello

1. What ‘H’ is an eight-letter word which can go before guitar, islands and pizza?
2. What ‘E’ is an American poet who published Ripostes, a collection of 25 poems, in 1912? (First & second name please)
3. What ‘L’ is an 8-letter word meaning the same as port and the opposite of starboard?
4. What ‘L’, a facility the fictional Unseen University, is tended by a faculty member who is a pongo?
5. What ‘O’ is “a collection of whimsical light poems about feline psychology and sociology” which became the basis of the musical Cats? (Six words in the answer)

Good luck! I will post the answers later today.