A.N. Sharma - Author of the famed Bajanaama: A Study of Early Indian Gramophone Records, an extensive project that has earned its place in posterity, probes further deep into India’s sound recording past in The Wonder that was the Cylinder. From the late 19th century - the era of the phonograph and the wax cylinder - he brings to light rare cylindrical recordings of legendary Indian artistes throughout the ages. Currently, Sharma is an officer with the Indian Revenue Service and a serving Commissioner of Customs, Central Excise and Service Tax in Mumbai.
Anukriti A. Sharma - A freelance editor, proofreader and illustrator at Rupa Publications and Random House India, Anukriti A. Sharma is a Delhi-based writer and blogger with more than two years of editorial experience. Her blogs - My Memoirs of Mesmerizing Memories and Ekphrasis India - have won many accolades and eminent personalities such as Javed Akhtar, Ayaz Memon and Ashok Chakradhar have acknowledged her writing. She has also published her work in various college journals and online magazines such as The NRI, Youth Ki Awaaz and Impulse.

Anukriti has collaborated with her father extensively on this book, considering it to be a contribution of immeasurable value to the archives of Indian history.