Solution:

• Atal Bihari Vajpayee was an Indian statesman who served three terms as the Prime Minister of India, first for a term of 13 days in 1996, then for a period of 13 months from 1998 to 1999, followed by a full term from 1999 to 2004. Vajpayee was one of the co-founders and a senior leader of the Bharatiya Janata Party (BJP).

• He was a member of the Rashtriya Swayamsevak Sangh, a Hindu nationalist volunteer organisation. He was the first Indian prime minister not of the Indian National Congress to serve a full term in office. He was also noted as a poet and a writer.