Since news of Oliver Sacks' death on Sunday, there's been an outpouring of grief and appreciation for the compassionate neurologist and bestselling author.

Journalist Lawrence Weschler is among those reflecting on the impact that Sacks had on the world. Weschler joins Shad to share insight on the personal and professional legacy of his longtime friend — including private traumas that the scientist struggled to overcome.

Weschler also shares anecdotes about the many sides of Sacks, including "Dr. Squat" the bodybuilder and the reluctant lover turned loving partner of Billy Hayes.

WEB EXTRA | Click here to see CBC Books' tribute to Oliver Sacks, including a summary of his controversial book Awakenings and his smash hit The Man Who Mistook His Wife for a Hat.