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09/06/1875 English physiologist Henry Dale is born

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A talk with Sir Henry Dale (1960)

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Sir Henry Dale (1960)

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2-Minute Neuroscience: Acetylcholine

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2-Minute Neuroscience: Synaptic Transmission

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The Brain—Lesson 2—How Neurotransmission Works

He is known for his discovery of neurotransmitter acetylcholine. Dale also showed that acetylcholine is released after electrical stimulation of the vagus nerve. He proved that nerve stimuli are transmitted both chemically and electrically. Dale also first described what is now known as the Dale's principle in neuroscience.
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