Context: Many early 19th-century neoclassical architects were influenced by the drawings and projects of Étienne-Louis Boullée and Claude Nicolas Ledoux. The many graphite drawings of Boullée and his students depict spare geometrical architecture that emulates the eternality of the universe. There are links between Boullée's ideas and Edmund Burke's conception of the sublime. Ledoux addressed the concept of architectural character, maintaining that a building should immediately communicate its function to the viewer: taken literally such ideas give rise to "architecture parlante".

Question: Who influenced many 19th century neoclassical architects?
Answer: Étienne-Louis Boullée and Claude Nicolas Ledoux

Question: What do geometric architecture emulate of the universe?
Answer: eternality

Question: What Edmund Burke concept is linked to Boullee's ideas?
Answer: sublime

Question: What concept did Ledoux address?
Answer: architectural character

Question: As a concept of neoclassical architecture, what should be immediately communicated to viewer?
Answer: building should immediately communicate its function

Question: What influence neoclassical architecture in the 1900s?
Answer: Unanswerable

Question: What did the drawings of Claude Nicholas Lediux depicts?
Answer: Unanswerable

Question: Whose ideas are linked to Boullee's ideas of the sublime?
Answer: Unanswerable

Question: What did Burke say about the concept of architectural character?
Answer: Unanswerable