Who wrote the book 'Economy of Permanence'?

J.C. Kumarappa

C. Kumarappa (1892-1960): Original name J.C. Cornelius; economist and chartered accountant; studied in England and USA; follower of Mahatma Gandhi; tried to apply Gandhian principles to economic policies; author of ‘Economy of Permanence’; participated in planning process as member of the Planning Commission