Ka cika wannan jumla: An haifi Lehnert a shekara ta 1857 a Berlin, Jamus. Ta yi nazarin zane-zane a ƙarƙashin Clara Lobedan da Karl Gussow a Kwalejin Berlin. Ta ci gaba da karatunta a Paris tare da. Lehnert ya nuna aikinta a
Ginin Mata a 1893 World's Columbian Exposition a Birnin Chicago, Illinois.