Bernardino Luini was a North Italian painter

Painting

Painting is the practice of applying paint, pigment, color or other medium to a surface . The application of the medium is commonly applied to the base with a brush but other objects can be used. In art, the term painting describes both the act and the result of the action. However, painting is...

 from Leonardo's

Leonardo da Vinci

Leonardo di ser Piero da Vinci was an Italian Renaissance polymath: painter, sculptor, architect, musician, scientist, mathematician, engineer, inventor, anatomist, geologist, cartographer, botanist and writer whose genius, perhaps more than that of any other figure, epitomized the Renaissance...

 circle. Both Luini and Giovanni Antonio Boltraffio

Giovanni Antonio Boltraffio

Giovanni Antonio Boltraffio was an Italian painter of the High Renaissance from Lombardy, who worked in the studio of Leonardo da Vinci. Boltraffio and Bernardino Luini are the strongest artistic personalities to emerge from Leonardo's studio...

 were said to have worked with Leonardo directly; he was described to have taken "as much from Leonardo as his native roots enabled him to comprehend". Consequently many of his works were attributed to Leonardo. He was known especially for his graceful female figures with slightly squinted eyes, called Luinesque by Vladimir Nabokov

Vladimir Nabokov

Vladimir Vladimirovich Nabokov was a multilingual Russian novelist and short story writer. Nabokov wrote his first nine novels in Russian, then rose to international prominence as a master English prose stylist...

.