"A Traveler in Time" by August Derleth is a science fiction tale about an inventor named Heinrich Vanderkamp and his incredible creation: a time machine. A curious journalist discovers Vanderkamp's journeys into the past, specifically to New Amsterdam in the 1650s, where he meets a local woman named Anna Van Tromp. While in the past, Vanderkamp thinks about the problems he has with his sister Julie in his own time. Ultimately, Vanderkamp decides to leave his present life behind, venturing further into time. This decision leads to a surprising change for his sister when she returns, mysteriously changed by the past. The story ends with a twist, highlighting the profound and strange impact of their time travels.

A Traveler in Time
By August Derleth
Driven by a desire to escape his present, an inventor journeys through time, triggering a bewildering transformation that intertwines the past and future in his sister's life.
Summary
About the AuthorAugust William Derleth was an American writer and anthologist. He was the first book publisher of the writings of H. P. Lovecraft. He made contributions to the Cthulhu Mythos and the cosmic horror genre and helped found the publisher Arkham House. Derleth was also a leading American regional writer of his day, as well as prolific in several other genres, including historical fiction, poetry, detective fiction, science fiction, and biography. Notably, he created the fictional detective Solar Pons, a pastiche of Arthur Conan Doyle's Sherlock Holmes.
August William Derleth was an American writer and anthologist. He was the first book publisher of the writings of H. P. Lovecraft. He made contributions to the Cthulhu Mythos and the cosmic horror genre and helped found the publisher Arkham House. Derleth was also a leading American regional writer of his day, as well as prolific in several other genres, including historical fiction, poetry, detective fiction, science fiction, and biography. Notably, he created the fictional detective Solar Pons, a pastiche of Arthur Conan Doyle's Sherlock Holmes.