In Old Man Kneeling Facing Upper Left, the viewer sees an elderly man in a humble posture, kneeling with his head bowed. His clothing is simple, reflecting a life of modesty. The color palette is muted, with earthy tones dominating the composition.

The background is indistinct, focusing attention on the figure's expression and demeanor. The painting is executed in oil on canvas, typical of the Baroque period. Rosa's brushwork is loose yet deliberate, creating a sense of depth and texture. The light falls softly on the man's face, highlighting his features and the wrinkles that tell a story of age.

The dimensions are approximately 60 x 80 cm, making it a medium-sized portrait. Salvator Rosa was known for his dramatic and expressive style, often blending elements of landscape and figure painting. This work reflects his interest in human emotion and character. An interesting fact about this painting is that it captures the essence of humility and reflection, common themes in Rosa's oeuvre.

The painting is housed in the Museo Thyssen-Bornemisza, a testament to its significance in the Baroque canon.