 The interest was sparked by his discovery of unexamined information in the Lovelace Collection: a collection of notes and drafts left by John Locke to his cousin Peter King.
<fluency>  The interest was sparked by his discovery of unexamined information in the Lovelace Collection: a collection of notes and drafts left by John Locke to his cousin Peter King.
 The interest was sparked by his discovery of unexamined information in the Lovelace Collection: notes and drafts left by John Locke to his cousin Peter King.