The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence.

Many of the modern world’s most famous discoveries and inventions were not made by scientists, but by non-professional inventors. Often, these inventors have such unusual ideas that they were laughed at. But people like these, working on their own, gave us many of the things that we use everyday in our life.
Many inventions were made by （） inventors.