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professor |
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| navigate by keyword : adult blackboard board business cartoon coat education gray human illustration image instructor intelligence learning lecture male man men painting pointing presentation professor science scientist senior study suit talking teacher teaching university vector white |
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| The illustration representing the elderly professor, specifying a blackboard |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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