A tall old man, with a smooth face and white hair, looking as proud as Julius Caesar was there to meet her

“A tall old man, with a smooth face and white hair, looking as proud as Julius Caesar was there to meet her. His clothes were frazzled but I didn’t notice that till later.”
(a) Who has been described as a ‘tall old man’?
(b) Who is the speaker here?
© Which word in the extract means the same ‘ as ‘worn out’?

(a) Colonel Allyn has been described as a ‘tall old man’.
(b) John A Pescud is the speaker here.
© The word is ‘frazzled’.