When Breath Becomes Air chornicles the life of Paul Kalanithi who after having completed a decade long training as a neurosurgeon is confronted with being diagnosed of lung cancer.From being one who treated serious patients to being a patient with a terminal disease, Kalanithi started penning this auto-biography after he was diagnosed with inoperable lung cancer and was counting days.It is a moving story about Kalanithi???s own life: from being a student pondering over the meaningfulness of life to a famous neurosurgeon who operated brains that deals with the core of human identity, to being a new father at a time when his own life is awaiting an uncanny end.