In Porträt Otto Wagner, Egon Schiele presents a striking portrayal of the architect Otto Wagner. The painting features bold colors, predominantly deep blues and warm earth tones, creating a dramatic contrast. Wagner's figure is depicted with angular lines and exaggerated proportions, typical of Schiele's expressionist style.

The background is abstract, further emphasizing the subject's intense gaze and unique features. The artwork is executed in oil on canvas, showcasing Schiele's characteristic brushwork that combines both precision and spontaneity. The dimensions are approximately 70 x 90 cm, making it a medium-sized portrait that draws the viewer's attention. Schiele uses a limited color palette, which heightens the emotional impact of the piece.

The composition is dynamic, with Wagner's posture suggesting confidence and authority. Egon Schiele, a prominent figure in the Expressionist movement, painted this portrait around 1910. Otto Wagner was not only an architect but also a mentor to Schiele, influencing his artistic development. This work reflects the close relationship between the two, as well as Schiele's innovative approach to portraiture.

Interestingly, this painting is part of the collection at the Belvedere Museum in Vienna, which houses many of Schiele's significant works.