The correct answer is: Dalpatram.
Dalpatram was a Gujarati writer, poet, and social reformer. He is best known for his book Kavijivan, which is a biography of the Gujarati poet Narsinh Mehta. Kavijivan was published in 1865 and is considered to be one of the most important works of Gujarati literature.
Navalram Pandya was a Gujarati writer and social reformer. He is best known for his book Gujarati Sahitya Paribhasha, which is a dictionary of Gujarati literature. Gujarati Sahitya Paribhasha was published in 1875 and is considered to be one of the most important works of Gujarati literature.
Damodar Botadkar was a Gujarati writer and poet. He is best known for his book Kavya Prakash, which is a treatise on Gujarati poetry. Kavya Prakash was published in 1884 and is considered to be one of the most important works of Gujarati literature.
Kalapi was a Gujarati poet and writer. He is best known for his book Kavya Sangraha, which is a collection of his poems. Kavya Sangraha was published in 1900 and is considered to be one of the most important works of Gujarati literature.