The Mines of Kilimanjaro

Professor Smith refused because he wanted to protect the secret of his past as Schmidt, the Wehrmacht officer who had already raided the mine in 1917. Additionally, he had renounced the mine's riches after surviving the tribal ambush and wanted to keep the dangerous location hidden to prevent more bloodshed. The visitor threatened to expose Smith's true identity, but Smith chose to protect his secrets rather than comply.

Earlier in the timeline, Smith's dual identity as Schmidt is established, explaining why he has a personal stake in keeping the mine's location buried.

The summary does not explicitly identify the killer or killers. Both Smith and his inquisitive guest are murdered in quick succession shortly after their confrontation, leaving the case steeped in unanswered questions. The murders erase the last direct link to the Kilimanjaro treasure and appear to be connected to the competitive interests in the mine's fortune.

The mysterious visitor's veiled threats and Smith's refusal create tension that foreshadows the deadly turn.

The 'secret of Africa' refers to the legendary Mines of Kilimanjaro, believed to guard a colossal fortune in diamonds. Schmidt and his group of Wehrmacht officers uncovered the mine and plundered some treasures before the tribal ambush. The diamonds themselves became the secret, wealth powerful enough to attract multiple dangerous factions decades later.

The 1917 expedition to the mine establishes the treasure's existence and sets the foundation for all subsequent conflicts.

The summary does not explain how Schmidt specifically survived when all other members of his Wehrmacht expedition were killed. He was the sole survivor of the ambush, though the exact reason for his survival, whether by chance, skill, or some action, is not detailed. This survival allowed him to renounce the mine's riches and forge a new life in America under the name Thomas Smith.

The ambush itself is described as a turning point that ends the 1917 expedition but leaves Schmidt as the sole witness to the mine's location.

Ed Barclay, Smith's assistant, was driven by a mix of scholarly curiosity and loyalty to his mentor. He wanted to uncover the truth about what happened to Professor Smith and suspected a deeper conspiracy connected to the Kilimanjaro mine. His decision marks a shift from academic life to dangerous investigation.

Barclay's vow to uncover the truth in timeline item 5 directly leads to his journey to Mombasa in timeline item 6.

The Nazis sought the diamonds from the Mines of Kilimanjaro as a funding source for the Third Reich's impending war effort. The diamonds represented a colossal fortune that could finance Hitler's military ambitions. Nazi agents operated across borders hoping to intercept the mine's treasure, adding a political dimension to the expedition's peril.

Timeline item 9 establishes that Nazi interests in the diamonds emerged as part of the global context leading into World War II.

The 1917 expedition established the existence of the mine and its diamonds, creating a trail of blood and secrets. Schmidt survived and kept the location hidden, but the knowledge that the mine contained treasures attracted multiple dangerous parties. Smith's mysterious visitor and his subsequent murder were direct consequences of the unresolved 1917 events, as different factions sought to claim the prize.

The timeline shows Smith's hidden past continues to drive contemporary dangers, with the 1917 expedition's legacy fueling the present conflict.

After being the sole survivor of the tribal ambush that killed all his companions, Schmidt chose to renounce the temptation of the mine's riches. This decision marked a turning point in his life, leading him to abandon his Wehrmacht identity and forge a new life in America as Professor Thomas Smith. The traumatic experience appears to have fundamentally changed his values.

The ambush serves as the pivotal event that transforms Schmidt from a treasure-hunting officer into a man who rejects wealth and builds a quiet academic life.

The summary mentions that Ed Barclay was 'shadowed by cunning Chinese agents' during his expedition, making his journey perilous. However, the detailed timeline does not elaborate on their specific motivations or actions. They appear as one of multiple antagonistic forces competing for the mine's treasure alongside Nazis and criminals.

The presence of Chinese agents adds another layer of international intrigue to the pursuit of the mine.

The mysterious visitor came to Professor Smith because he knew Smith's true identity as Schmidt, the former Wehrmacht officer who had discovered the mine in 1917. The visitor sought to extract the mine's coordinates through veiled threats, using Smith's hidden past as leverage. This confrontation represents the moment when Smith's secret past catches up with him.

The visitor's knowledge of Smith's past connects directly to the 1917 expedition timeline, bringing historical consequences to the present.

The summary indicates that the mine's diamonds remained at the center of powerful interests with no clear resolution. The expedition faced threats from criminals and Nazi operatives who sought to seize the diamonds. The outcome of who ultimately obtained the treasure is not revealed in the provided summary, leaving the fate of the diamonds uncertain.

The diamonds' allure drives the entire conflict, attracting multiple factions throughout the story.