My friend Brian Smith, who has died aged 82, played a role in the British blues boom of the 1960s. His photographs of American artists appeared on album sleeves and magazines, and later on CDs and box sets. He created defining images of Howlin’…

My friend Brian Smith, who has died aged 82, played a role in the British blues boom of the 1960s. His photographs of American artists appeared on album sleeves and magazines, and later on CDs and box sets. He created defining images of Howlin’…