Pastel Portraits, 1766
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Pastel Portrait of a Gentleman
Medium
The portrait is executed in pastel.
Inscribed on the Reverse
The reverse is inscribed: Carolus Achelmann, Doctor of Medicine, aged 43; painted by Christian Müller, 1766.
Subject and Identity
This is a head-and-shoulders portrait of a middle-aged gentleman, identified by inscription as Carolus Achelmann, Doctor of Medicine, aged 43. He is presented as a member of the educated professional class.
Pose and Composition
The sitter is shown in three-quarter view, turned slightly to the right, with his gaze directed just past the viewer. The close composition concentrates on the face and upper torso.
Facial Expression and Character
His expression is calm and self-assured, with softly modelled features that suggest quiet confidence and intellectual composure.
Clothing and Attributes
He wears a dark coat with a warm-toned waistcoat and a white neckcloth, reflecting refined yet understated mid-18th-century attire.
Background and Setting
A neutral, softly blended background focuses attention on the sitter and enhances the portrait’s intimate character.
Light and Colour
Soft, diffused light highlights the face. Warm flesh tones are set against cooler greys and browns, creating a gentle contrast.
Technique and Medium
The work is executed in pastel chalk and displays smooth blending and delicate tonal transitions, particularly in the rendering of the flesh.
Mood and Interpretation
The portrait conveys dignity and restraint, presenting the sitter as a composed and cultivated individual.

1 neutral background | 2 white neckcloth
3 waistcoat | 4 dark coat
Pastel Portrait of a Woman
Medium
The portrait is executed in pastel.
Subject and Identity
A head-and-shoulders portrait of a young woman, presented as an anonymous sitter. Her refined appearance suggests a member of the educated or prosperous middle class.
Pose and Composition
The sitter is shown in a three-quarter view, turned slightly to the left while meeting the viewer’s gaze. The composition focuses closely on the face and upper torso, creating an intimate format.
Facial Expression and Character
Her expression is calm and gently engaging, with a faint, restrained smile. The softly modelled features convey poise and quiet self-assurance.
Clothing and Attributes
She wears a dark outer garment over a pink bodice, adorned with a blue bow. A narrow black ribbon encircles her neck. The attire reflects fashionable mid-18th-century dress, combining elegance with restraint.
Background and Setting
The background is neutral and softly blended, without defined setting, drawing attention to the sitter’s face and costume.
Light and Colour
Soft, diffused light illuminates the face and décolletage. Warm flesh tones are complemented by muted greys and browns, with accents of pink and blue adding gentle contrast.
Technique and Medium
Executed in pastel, the portrait displays smooth blending and delicate tonal transitions, particularly in the rendering of the skin and hair.
Mood and Interpretation
The portrait conveys refinement and composure, presenting the sitter as poised and self-possessed. Its intimate scale and soft handling reflect the elegance of 18th-century pastel portraiture.

1 subtle light and shadow | 2 direct gaze
3 decorative bow | 4 dark outer garment
5 lace detail