Final answer:
Robert Walton in 'Frankenstein' does not directly credit anyone for his character in Letter 2, but his development is suggested to stem from his readings and his sister's influence.
Step-by-step explanation:
In Letter 2 of Frankenstein by Mary Shelley, Robert Walton does not explicitly give credit to any one individual for his character.
Instead, he discusses his own ambitions and aspirations as an explorer. However, through the narrative, it can be inferred that his character has developed through his readings and the influence of his sister, to whom he addresses his letters.
In the book Frankenstein, Robert Walton gives credit for his character to his sister, Margaret Saville. In letter 2, Walton explains that he is writing to Margaret and considers her as his confidant and the only one who truly understands him.
He mentions that her friendship has been his greatest support and comfort during his long journey.