He had a great knack of getting the best out of all players irrespective of their age - a 19-year-old earning a fortune or a 36-year-old at the end of his career.
She was 25, tall and blonde, with a distinctive Slavic self-possession, an all-American sense of purpose and a rare knack for commanding respect while clad in a garter belt and thigh-high zip-up boots.
Homosapiens have progressed through all the characteristics that make humankind great: their ingenuity, their pride in his skills, their reasoning knack.