Hildegard Westerkamp is a Canadian composer, radio artist, teacher, and sound ecologist, recognized for her pioneering work in acoustic ecology, soundscape composition, and soundwalks. A key contributor to the World Soundscape Project in the 1970s and 1980s, she has explored the relationship between sound, environment, and human perception. Her compositions often incorporate field recordings, spoken word, and electroacoustic techniques to highlight the sonic characteristics of specific places. Westerkamp has also been influential in promoting sound awareness and deep listening practices, lecturing internationally and mentoring new generations of sound artists and ecologists.