American radio announcer Don Wilson wearing a specially devised pair of field glasses circa 1930. (Photo by Keystone/Getty Images) Expertise People One Man Only Radio Announcer Don Wilson
None Expertise Protective Mask - Workwear Mid Adult Women High angle view of two dentists examining a male patient
Doctor standing in training classroom in hospital Expertise People One Man Only Medical Education Classroom
Mature expert in full suit holds purse, talks with colleague in laboratory. 1960s archival photo. Expertise Mature Adult Only Mature Men Lab Experts Discussing
Man grinding medicine in mortar and pestle Expertise Mortar and Pestle People Herbal Medicine Preparation
Patrons of Max Rosenthal's barber shop had to shave themselves while mid-Manhattan barbers are on strike. With 7 barbers out, Mr Rosenthal posted a sign that reads 'Notice To My Patrons. During the strike, come in and shave yourself free with safety razor Expertise Mature Adult People Self Service During A Barbers Strike
A technician tests a Crusader tank before sending it to the Royal Armoured Corps, 13th December 1941. (Photo by Bert Hardy/Picture Post/Hulton Archive/Getty Images) Expertise Working Mature Adult Tank Tester
Portrait of Serious Businessmen and a Businesswoman Expertise Corporate Business Mid Adult Women Professional Corporate Team
Teacher in a classroom, imparting knowledge with passion and expertise. Expertise Education Mid Adult Women Teacher in Classroom
Two mature doctors in New York City, confidently standing side by side, holding a document, and looking at the camera. Expertise Mature Adult People Medical Duo: Confidence
None Expertise Working Medical Equipment Female doctor holding out syringe, close-up, focus on face, selective focus
Ship's cook Charles Green (1888 - 1974), in the week before he sailed on the Shackleton¿Rowett Expedition to circumnavigate Antarctica in the steamer Quest, September 1921. Green had previously served on board the James Caird during Ernest Shackleton's Im Expertise People One Man Only Expedition Cook
None Expertise Adjusting Mid Adult Women Two female nurses adjusting surgical lamp in an operating room
Teacher in classroom, captivating students' attention Expertise Education Mid Adult Women Teacher in Classroom
A diverse team of dedicated healthcare professionals, including a doctor and a nurse, standing in a hospital setting. The image conveys trust, care, and expertise in the medical field. Expertise People Teamwork Healthcare Team in Hospital
Confident and cheerful female doctor with expertise and a toothy smile, sitting indoors in New York City. Gray hair, wearing a lab coat, looking at the camera with a hand on her chin. Expertise Mature Adult People Cheerful Female Doctor NYC
Confident mature Caucasian man in lab coat standing indoors in New York City. With arms crossed, he sports a toothy smile, exuding expertise and happiness. Ideal for healthcare or professional themes. Expertise Mature Adult People Happy Doctor in NYC
None Expertise Working Medical Injection Woman holding out syringe, close-up, focus on finger and syringe, selective focus
Experienced instructor engages with a student in a focused conversation. Expertise People One Man Only Expert Instructor Teaching Men
A demonstration of an ancient Peruvian technique for polishing large objects. Expertise Hanging Teamwork Peruvian Polishers
None Expertise Young Men Mid Adult Women Portrait of a Small Group of Businesswomen and a Businessman in an Office
A man greasing a car at a Kent Automatic Garage in New York in 1929. (Photo by Keystone View/FPG/Getty Images) Expertise Three Quarter Length People Mechanic At Work
Doctor standing in training classroom in hospital Expertise People One Man Only Medical Professional Training
Mature businessman in a downtown district using phone, talking. Expertise Corporate Business Mature Adult "Executive Communication in City"
Experienced African-American teacher giving a lecture in a classroom. Expertise Education Mid Adult Women Professional Educator: Teaching Expertise
Black moleskin-type notebook with a mechanical pencil notebook moleskin notepad Black notebook with pencil
