He also designed the bridge from the Leineschloss across the Leine River and the Neustädter Kirche, built 1667 to 1670 as an early aisleless church.
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During his time in Hanover he wrote a report for the construction of a library in Wolfenbüttel, on a request of Gottfried Wilhelm Leibniz, then a librarian there.
He employed the Venetian architect Girolamo Sartorio as his master builder in 1667, who designed many buildings in the town including the Neustädter Kirche and was instrumental in the expansion of the Herrenhausen Gardens.
Girolamo Savonarola | Girolamo Frescobaldi | Girolamo Tiraboschi | Girolamo "Jimmy" Palermo | Girolamo Rusticucci | Girolamo Riario | Girolamo Porro, ''Antique map of Iceland'', from the National and University Library of Iceland | Girolamo Muziano | Girolamo Maggi | Girolamo Li Causi | Girolamo Fracastoro | Girolamo Benivieni | ''Saint Mary Magdalene approaching the Sepulchre'' by Girolamo Savoldo | Giuseppe Sartorio | Girolamo Zoppio | Girolamo Sernigi | Girolamo Segato | Girolamo Savoldo | Girolamo Sartorio | Girolamo Santacroce | Girolamo Piromalli | Girolamo Montesardo | Girolamo Mercuriale | Girolamo Maiorica | Girolamo Di Fazio | Girolamo da Carpi | Girolamo Cavazzoni | Girolamo Caraffa | Girolamo Benzoni |