Vintage seating by Frank Gehry, Charlotte Perriand, and Gerrit Rietveld flanks the living room’s sculptural fireplace. Milo Baughman for Thayer Coggin cocktail tables; artwork by Mark Luyten.

A 17th-century painting and contemporary furnishings by Ron Arad , Dror Benshetrit , and Nada Debs decorate the reading room.

In the living room, vintage furnishings mingle with artworks by Allan McCollum . The breezy curtains throughout the home are made of a linen by Kravet .

The armchairs, by homeowner Joseph Mazzaferro, are dressed in a linen by Barbara Barry for Kravet . Marcel Breuer Neumann House sofa; antique stool; artwork.

Homeowners Joseph Mazzaferro (left) and Ken Sena lounge in the living room of their Marcel Breuer–designed home in Upstate New York.

In the dining room, a Man Ray pendant hangs above the Breuer table. Charles and Ray Eames chairs; artworks by Emily Shanahan.

Breuer designed the kitchen cabinetry with solid walnut detailing. Appliances by Wolf ; slider panels by Neven & Neven Moderne ; in foreground, Charles and Ray Eames chair.

A David Salle artwork hangs over a Cees Braakman for Pastoe writing desk. Charles and Ray Eames chair; Man Ray lamp; vase by Stephanie Charlene for Alder & Co . Artwork © David Salle/Licensed by VAGA, New York, NY.

A collection of antique and vintage African art decorates the bedroom. The Breuer-designed bed wears RH Modern linens and pillows. Giulio Turcato painting © 2018 Artists Rights Society (ARS), New York/SIAE, Rome.

Armchairs by Le Corbusier, Pierre Jeanneret, and Charlotte Perriand sit in the cedar-lined indoor-pool room. Artwork by Joseph Mazzaferro ; flooring by Carminart .

In Croton-on-Hudson, New York, The Marcel Breuer–designed 1953 Neumann House features a curvy low stone wall and architectural planes in blue, red,and white.a

A lounge chair by Francesco Rota for Paola Lenti rests on the lawn of the entry courtyard.

An outdoor table-and-chairs set by Barbara Dente encourages conversation on the patio.

The terrace takes in sweeping Hudson Valley views. Chairs by Julia von Sponeck.