He was unfamiliar with Sanskrit at the time, but later, not only learned that language, but published some of the earliest work in ancient Iranian languages.
Later, however, he not only learned that Sanskrit, but published some of the earliest work in ancient Iranian languages. He was unfamiliar with Sanskrit at the time.
He was unfamiliar with Sanskrit at the time. Later, however, he not only learned that Sanskrit, but published some of the earliest work in ancient Iranian languages.
He was unfamiliar with Sanskrit at the time. Later, however, he not only learned that Sanskrit, but published some of the earliest work in ancient Iranian languages.