As Light Meets Matter: Art Under Scrutiny

Collector of Fine Art

Donating Artwork

Undiscovered Artwork

Van Gogh

Paul Cézanne Painting

Question of Authenticness

Investigation and Judgement

Scientists

Spectroscopic Techniques

Ultraviolet (UV) Spectrum

Oil Base Shows Age

Underdrawing

Animal Glue Binder

Four Different Strata

Infrared Spectroscopy (IR)

Pigment Mix Not Widely Used

X-Ray Fluorescence (XRF).

Electrons

Pigments

Composition Matching

An Original Nineteenth Century Painting

Fluorescence Data

Art Historians

Unsigned

Visual Elements
Composed Differently

Very Characteristic

Brushwork

Conclusion

Uncertainty

Dr. Wandless' Decision

Much at Stake