Noun + にして

[At the point of / Only at / And yet]

Connection: Noun + にして

Usage: A literary expression with multiple meanings:

1. At the point of / Only when reaching: Emphasizes that something is achieved only at a certain stage or level. 「40歳にしてやっとわかった」
2. Being X and also Y: Indicates that someone/something has two qualities simultaneously. 「学者にして政治家」
3. Even for / Despite being: Expresses surprise that even someone of a certain caliber experiences something.

Examples:

50歳にして初めて海外旅行をした。(Only at age 50 did I travel abroad for the first time.)

彼は科学者にして芸術家でもある。(He is a scientist and also an artist.)

ベテランにしてこのミスは珍しい。(For a veteran, this kind of mistake is unusual.)