7th International Congresses on Tropical Medicine and Malaria, Rio de Janeiro: four scientists. Photograph, 1963. https://www.rawpixel.com/image/13991348/photo-image-person-medicine-phoneFree Image from public domain licenseCustomer service representative, hexagon badge clipart https://www.rawpixel.com/image/6726140/image-person-business-headphoneView license[Untitled photo, possibly related to: Hale Walker, Washington, D.C., Chief Town Planner, Berwyn project, Suburban… https://www.rawpixel.com/image/12311085/image-face-hand-personFree Image from public domain licenseSecretary Blinken at a Signing Ceremony and a Joint Press Availability with Republic of Korea Foreign Minister Park… https://www.rawpixel.com/image/11072618/photo-image-face-person-headphonesFree Image from public domain licenseChicago, Illinois. Mr. Trout, chief tower man at the south interlocking tower at Union Station. Sourced from the Library of… https://www.rawpixel.com/image/12337009/image-face-people-headphonesFree Image from public domain licenseCustomer service representative, round badge clipart https://www.rawpixel.com/image/6714160/image-person-circle-businessView licenseMicrophone headphones headset adult. AI generated Image by rawpixel. https://www.rawpixel.com/image/12348460/image-white-background-faceView licenseDHS Secretary Alejandro Mayorkas Conducts Press Conference in Phoenix, AZPHOENIX (February 6, 2023) Homeland Security… https://www.rawpixel.com/image/11072643/photo-image-face-person-headphonesFree Image from public domain licenseVarious sections of construction work at Shasta Dam are connected by telephones. Shasta County, California by Russell Lee https://www.rawpixel.com/image/12151374/image-face-person-artFree Image from public domain licenseMan talking on the phone https://www.rawpixel.com/image/413929/free-photo-image-subway-american-caucasianView licenseCustomer service representative, heart badge design https://www.rawpixel.com/image/6675612/image-heart-person-businessView licenseCustomer service representative, abstract shape badge https://www.rawpixel.com/image/6732313/image-aesthetic-gradient-blobView licenseTelephone operator, Littlefork, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259762/photo-image-person-technology-headphonesFree Image from public domain license