John Hopkins Operating Theater, 19031904
Science Source
Family Saying Grace, C.1950s
H. Armstrong Roberts/ClassicStock
Murasaki Shikibu, Japanese Novelist #5
Science Source
Engineers At Drafting Tables, C.1960s
H. Armstrong Roberts/ClassicStock
Earliest Depiction Of Craniotomy
Science Source
Freuds Consulting Room
Science Source
Mar-a-lago, Living Room, 1967 #1
Science Source
Pennsylvania Station, Nyc, 1910-20
Science Source
Woman With Folded Towels, C.1960s
H. Armstrong Roberts/ClassicStock
Nyc, Waldorf-astoria Hotel, Billiard
Science Source
Apollo 11, Launch Control Center, Joann
Science Source
Optical Testing Room, 1892
Science Source
Wartburg Castle, Germany #1
Rolf Fischer
Interior Of Theordore Roosevelts Home
Farrell Grehan
Francois Truffaut
Gordon Gahan
Teens Dancing In Rec Room, C.1950s
H. Armstrong Roberts/ClassicStock
John Hopkins Operating Room, 19031904
Science Source
Jarvik Artificial Heart
Science Source
Family Having Dinner, C.1950s
H. Armstrong Roberts/ClassicStock
Mother Watching Children Play A Game
H. Armstrong Roberts/ClassicStock
Mother And Daughter In Kitchen, C.1950s
H. Armstrong Roberts/ClassicStock
Back View Of Chubby Girl On Scale
Photo Media/ClassicStock
Family Dinner, C.1950s
H. Armstrong Roberts/ClassicStock
Boy Dressed In Fathers Clothes, C.1950s
O. Johnson/ClassicStock
Teen Couple Dancing, C.1950s
H. Armstrong Roberts/ClassicStock
Teenage Couple Dancing Jitterbug
Debrocke/ClassicStock
Teen Couple Dancing, C.1950-60s
Debrocke/ClassicStock
Little Girl Looking At A Cookbook
H. Armstrong Roberts/ClassicStock
Steam Bath, 19th Century
Wellcome Images
Union Station, Chicago
Science Source
Doctors And Nurses Giving Patient
Ikon Ikon Images
Robert Fulton, Submarine Design, 1806
Science Source
Close Up Of Beautiful Woman Worrying
Ikon Images
Space Colony Poster, 1970s #9
Science Source
Columbian Exposition Administration #2
Science Source
Woman Practicing Positive Thinking
Ikon Images
Louis Armstrong
Science Source
Christmas Morning, 1957
Photo Researchers
Florence Nightingale, Nurse And Reformer
Wellcome Images
Sitting Room In Titanic
Photo Researchers
Busy Chaotic Vet Waiting Room
Ikon Images
Control Room, Mayall 4-meter Optical
Inga Spence
Wedding Room
Millard H. Sharp
Cathedral Room
Millard H. Sharp
South America Room
Millard H. Sharp
Enchanted Forest Room
Millard H. Sharp
Waterfall Room
Millard H. Sharp
Enchanted Forest Room #1
Millard H. Sharp
Round Room
Millard H. Sharp
South America Room #1
Millard H. Sharp
Waterfall Room #1
Millard H. Sharp
Wedding Room #1
Millard H. Sharp
Wedding Room #2
Millard H. Sharp
Enchanted Forest Room #2
Millard H. Sharp
East End Opium Den
Photo Researchers
Operating Amphitheater, Administering
Science Source
Bellevue Hospital Atrium
Photo Researchers, Inc.
Air Traffic Controllers
Susan Leavines
Soapy Girl In Sink, C.1940s
H Armstrong Roberts ClassicStock
Couple Hanging New Drapes, C.1950s
H. Armstrong Roberts/ClassicStock
Woman At Refrigerator, C.1950s
H. Armstrong Roberts/ClassicStock
John Milton Dictating Paradise Lost
Wellcome Images
Florence Nightingale With Patient
Wellcome Images
Black And Red Cavapoo Puppies, And Grey
Mark Taylor
Murasaki Shikibu, Japanese Novelist #3
Science Source
Nurse Preparing Medication
Stanford University
Telescope Operator Inspecting
Inga Spence
Hazardous Drug Prep In Hospital Pharmacy
Jean-Paul Chassenet
Francois Truffaut #1
Gordon Gahan
James Webb Space Telescopes Primary
Science Source
James Webb Space Telescope Mirror
Science Source
A Thermogram Of A Corner Of A Room
Ted Kinsman