Sachchidananda Hirananda Vatsyayan (7 March 1911 – 4 April 1987), popularly known by his pen name Agyeya (also transliterated Ajneya, meaning 'the unknowable'), was an Indian writer, poet, novelist, literary critic, journalist, translator and revolutionary in Hindi language. He pioneered modern trends in Hindi poetry, as well as in fiction, criticism and journalism. He is regarded as the pioneer of the Prayogavaad (experimentalism) movement in modern Hindi literature. Son of a renowned archaeologist Hiranand Sastri, Agyeya was born in Kasia, a small town near Kushinagar in Uttar Pradesh. He took active part in the Indian freedom struggle and spent several years in prison for his revolutionary activities against British colonial rule. He edited the Saptak series which gave rise a new trends in Hindi poetry, known as Nayi Kavita. He edited several literary journals, and launched his own Hindi language weekly Dinaman, which set new standard and trends in Hindi journalism. Agyeya translated some of his own works, as well as works of some other Indian authors to English. He also translated some books of world literature into Hindi. Agyeya was awarded the Sahitya Akademi Award (1964), Jnanpith Award (1978) and the internationally reputed Golden Wreath Award for poetry. Early life and education Agyeya was born as Sachchidananda Vatsyayan in Punjabi Brahmin family on 7 March 1911 in an archaeological camp near Kasia, Kushinagar district of Uttar Pradesh, where his father, Hiranand Sastri, an archaeologist, was positioned for an excavation. His mother was Vyantidevi (d. 1924) who was not much educated. Hiranand Sastri and Vyantidevi had 10 children, of whom Agyeya was the fourth. Agyeya spent his early childhood in Lucknow (1911–1915). Due to his father's professional appointment at various places, he had to shift to various places including Srinagar and Jammu (1915–1919), Patna (1920), Nalanda (1921) and the Ootacamund and Kotagiri (1921–1925). Due to this peripatetic lifestyle, Agyeya came into contact with different Indian languages and cultures. His father, himself a scholar of Sanskrit, encouraged him to study Hindi and taught him some basic English. He was taught Sanskrit and Persian by Pandit and Maulavi in Jammu. After passing his matriculation in 1925 from the University of Punjab, Agyeya moved to Madras, joined the Madras Christian College, and did Intermediate in Science in 1927, studying mathematics, physics and chemistry. In the same year, he joined the Forman Christian College in Lahore, where he studied mathematics, physics, chemistry and English,